diff --git a/src/element/collapsible.css b/src/element/collapsible.css
new file mode 100644
index 0000000..3c8fddc
--- /dev/null
+++ b/src/element/collapsible.css
@@ -0,0 +1,20 @@
+.collapsible-media {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.collapsible-media a {
+  color: var(--text-link);
+  word-wrap: break-word;
+}
+
+.collapsible-media img,
+.collapsible-media video {
+  width: 100%;
+}
+
+.url-preview {
+  color: var(--text-link);
+  cursor: zoom-in;
+}
diff --git a/src/element/collapsible.tsx b/src/element/collapsible.tsx
new file mode 100644
index 0000000..c7b90b1
--- /dev/null
+++ b/src/element/collapsible.tsx
@@ -0,0 +1,32 @@
+import "./collapsible.css";
+import * as Dialog from "@radix-ui/react-dialog";
+import type { ReactNode } from "react";
+import { ExternalLink } from "element/external-link";
+
+interface MediaURLProps {
+  url: URL;
+  children: ReactNode;
+}
+
+export function MediaURL({ url, children }: MediaURLProps) {
+  const preview = <span className="url-preview">{url.toString()}</span>;
+  return (
+    <Dialog.Root>
+      <Dialog.Trigger asChild>{preview}</Dialog.Trigger>
+      <Dialog.Portal>
+        <Dialog.Overlay className="dialog-overlay" />
+        <Dialog.Content className="dialog-content">
+          <div className="collapsible-media">
+            <ExternalLink href={url.toString()}>{url.toString()}</ExternalLink>
+            {children}
+          </div>
+          <Dialog.Close asChild>
+            <button className="btn delete-button" aria-label="Close">
+              Close
+            </button>
+          </Dialog.Close>
+        </Dialog.Content>
+      </Dialog.Portal>
+    </Dialog.Root>
+  );
+}
diff --git a/src/element/hypertext.tsx b/src/element/hypertext.tsx
index 34293eb..d65be95 100644
--- a/src/element/hypertext.tsx
+++ b/src/element/hypertext.tsx
@@ -1,5 +1,6 @@
 import type { ReactNode } from "react";
 import { NostrLink } from "element/nostr-link";
+import { MediaURL } from "element/collapsible";
 
 const FileExtensionRegex = /\.([\w]+)$/i;
 
@@ -23,17 +24,23 @@ export function HyperText({ link, children }: HyperTextProps) {
         case "bmp":
         case "webp": {
           return (
-            <img
-              src={url.toString()}
-              alt={url.toString()}
-              style={{ objectFit: "contain" }}
-            />
+            <MediaURL url={url}>
+              <img
+                src={url.toString()}
+                alt={url.toString()}
+                style={{ objectFit: "contain" }}
+              />
+            </MediaURL>
           );
         }
         case "wav":
         case "mp3":
         case "ogg": {
-          return <audio key={url.toString()} src={url.toString()} controls />;
+          return (
+            <MediaURL url={url}>
+              <audio key={url.toString()} src={url.toString()} controls />;
+            </MediaURL>
+          );
         }
         case "mp4":
         case "mov":
@@ -41,7 +48,11 @@ export function HyperText({ link, children }: HyperTextProps) {
         case "avi":
         case "m4v":
         case "webm": {
-          return <video key={url.toString()} src={url.toString()} controls />;
+          return (
+            <MediaURL url={url}>
+              <video key={url.toString()} src={url.toString()} controls />
+            </MediaURL>
+          );
         }
         default:
           return <a href={url.toString()}>{children || url.toString()}</a>;
diff --git a/src/element/markdown.css b/src/element/markdown.css
index d52ac78..f3cc513 100644
--- a/src/element/markdown.css
+++ b/src/element/markdown.css
@@ -25,3 +25,9 @@
   width: 100%;
   border-radius: 6px;
 }
+
+.markdown video {
+  width: 100%;
+  aspect-ratio: 4/3;
+  border-radius: 6px;
+}
diff --git a/src/element/markdown.tsx b/src/element/markdown.tsx
index 9ddadb3..313ed45 100644
--- a/src/element/markdown.tsx
+++ b/src/element/markdown.tsx
@@ -30,6 +30,9 @@ export function Markdown({ content, tags = [] }: MarkdownProps) {
       td: ({ children }: ComponentProps) => {
         return children && <td>{transformText(children, tags)}</td>;
       },
+      th: ({ children }: ComponentProps) => {
+        return children && <th>{transformText(children, tags)}</th>;
+      },
       p: ({ children }: ComponentProps) => {
         return children && <p>{transformText(children, tags)}</p>;
       },
diff --git a/src/element/profile.tsx b/src/element/profile.tsx
index a36fba2..774b6ee 100644
--- a/src/element/profile.tsx
+++ b/src/element/profile.tsx
@@ -4,7 +4,9 @@ import { Link } from "react-router-dom";
 import { useUserProfile } from "@snort/system-react";
 import { UserMetadata } from "@snort/system";
 import { hexToBech32 } from "@snort/shared";
+
 import { Icon } from "element/icon";
+import usePlaceholder from "hooks/placeholders";
 import { System } from "index";
 import { useInView } from "react-intersection-observer";
 
@@ -47,6 +49,7 @@ export function Profile({
     useUserProfile(System, inView && !profile ? pubkey : undefined) || profile;
   const showAvatar = options?.showAvatar ?? true;
   const showName = options?.showName ?? true;
+  const placeholder = usePlaceholder(pubkey);
 
   const content = (
     <>
@@ -57,7 +60,7 @@ export function Profile({
           <img
             alt={pLoaded?.name || pubkey}
             className={avatarClassname ? avatarClassname : ""}
-            src={pLoaded?.picture ?? ""}
+            src={pLoaded?.picture ?? placeholder}
           />
         ))}
       {icon}
diff --git a/src/element/text.css b/src/element/text.css
index 62e4fdf..c4228f4 100644
--- a/src/element/text.css
+++ b/src/element/text.css
@@ -4,3 +4,10 @@
   width: 100%;
   border-radius: 6px;
 }
+
+.text video {
+  width: 100%;
+  margin-top: 8px;
+  aspect-ratio: 4/3;
+  border-radius: 6px;
+}
diff --git a/src/element/text.tsx b/src/element/text.tsx
index 21327dd..6d2b92c 100644
--- a/src/element/text.tsx
+++ b/src/element/text.tsx
@@ -9,6 +9,7 @@ import { Mention } from "element/mention";
 import { Emoji } from "element/emoji";
 import { HyperText } from "element/hypertext";
 import { splitByUrl } from "utils";
+import type { Tags } from "types";
 
 export type Fragment = string | ReactNode;
 
@@ -188,7 +189,12 @@ export function transformText(ps: Fragment[], tags: Array<string[]>) {
   return fragments;
 }
 
-export function Text({ content, tags }: { content: string; tags: string[][] }) {
+interface TextProps {
+  content: string;
+  tags: Tags;
+}
+
+export function Text({ content, tags }: TextProps) {
   // todo: RTL langugage support
   const element = useMemo(() => {
     return <span className="text">{transformText([content], tags)}</span>;
diff --git a/src/hooks/placeholders.ts b/src/hooks/placeholders.ts
new file mode 100644
index 0000000..98f62e2
--- /dev/null
+++ b/src/hooks/placeholders.ts
@@ -0,0 +1,9 @@
+import { useMemo } from "react";
+
+export default function usePlaceholder(pubkey: string) {
+  const url = useMemo(
+    () => `https://robohash.v0l.io/${pubkey}.png?set=2`,
+    [pubkey]
+  );
+  return url;
+}
diff --git a/src/index.css b/src/index.css
index a0cf362..b9c6702 100644
--- a/src/index.css
+++ b/src/index.css
@@ -254,6 +254,13 @@ div.paper {
   margin: 6px;
 }
 
+.dialog-trigger {
+  font-size: 15px;
+  background: transparent;
+  border: none;
+  display: inline;
+}
+
 .ctx-menu {
   font-size: 16px;
   font-weight: 700;
diff --git a/src/pages/profile-page.css b/src/pages/profile-page.css
index b809dc9..f1c323b 100644
--- a/src/pages/profile-page.css
+++ b/src/pages/profile-page.css
@@ -57,11 +57,18 @@
 .profile-page .profile-actions {
   position: absolute;
   display: flex;
-  gap: 12px;
+  align-items: flex-start;
+  gap: 4px;
   top: 12px;
   right: 12px;
 }
 
+@media (min-width: 480px) {
+  .profile-page .profile-actions {
+    gap: 12px;
+  }
+}
+
 .profile-page .profile-information {
   margin: 12px;
   margin-left: 16px;
@@ -87,22 +94,11 @@
   line-height: 24px;
 }
 
-.profile-page .icon-button {
+.profile-page .zap-button {
   display: flex;
-  align-items: center;
   gap: 8px;
 }
 
-.profile-page .icon-button span {
-  display: none;
-}
-
-@media (min-width: 480px) {
-  .profile-page .icon-button span {
-    display: block;
-  }
-}
-
 .profile-page .zap-button-icon {
   color: #171717;
 }
@@ -234,3 +230,19 @@
   font-weight: 500;
   line-height: 24px;
 }
+
+.profile-page .live-button span {
+  display: none;
+}
+.profile-page .zap-button span {
+  display: none;
+}
+
+@media (min-width: 480px) {
+  .profile-page .zap-button span {
+    display: block;
+  }
+  .profile-page .live-button span {
+    display: block;
+  }
+}
diff --git a/src/pages/profile-page.tsx b/src/pages/profile-page.tsx
index 55183ec..b4ad6fd 100644
--- a/src/pages/profile-page.tsx
+++ b/src/pages/profile-page.tsx
@@ -18,6 +18,7 @@ import { FollowButton } from "element/follow-button";
 import { MuteButton } from "element/mute-button";
 import { useProfile } from "hooks/profile";
 import useTopZappers from "hooks/top-zappers";
+import usePlaceholder from "hooks/placeholders";
 import { Text } from "element/text";
 import { StreamState, System } from "index";
 import { findTag } from "utils";
@@ -52,6 +53,7 @@ export function ProfilePage() {
   const navigate = useNavigate();
   const params = useParams();
   const link = parseNostrLink(params.npub!);
+  const placeholder = usePlaceholder(link.id);
   const profile = useUserProfile(System, link.id);
   const zapTarget = profile?.lud16 ?? profile?.lud06;
   const { streams, zaps } = useProfile(link, true);
@@ -91,16 +93,22 @@ export function ProfilePage() {
           src={profile?.banner || defaultBanner}
         />
         <div className="profile-content">
-          {profile?.picture && (
+          {profile?.picture ? (
             <img
               className="avatar"
               alt={profile.name || link.id}
               src={profile.picture}
             />
+          ) : (
+            <img
+              className="avatar"
+              alt={profile?.name || link.id}
+              src={placeholder}
+            />
           )}
           <div className="status-indicator">
             {isLive ? (
-              <div className="icon-button pill live" onClick={goToLive}>
+              <div className="live-button pill live" onClick={goToLive}>
                 <Icon name="signal" />
                 <span>live</span>
               </div>
@@ -122,9 +130,9 @@ export function ProfilePage() {
                 lnurl={zapTarget}
                 button={
                   <button className="btn">
-                    <div className="icon-button">
-                      <span>Zap</span>
+                    <div className="zap-button">
                       <Icon name="zap-filled" className="zap-button-icon" />
+                      <span>Zap</span>
                     </div>
                   </button>
                 }