diff --git a/frontend/public/examples-thumbs/xiao-rp2040-blink.webp b/frontend/public/examples-thumbs/xiao-rp2040-blink.webp
index 9c317fb3..b215b872 100644
Binary files a/frontend/public/examples-thumbs/xiao-rp2040-blink.webp and b/frontend/public/examples-thumbs/xiao-rp2040-blink.webp differ
diff --git a/frontend/src/components/editor/NewProjectDialog.css b/frontend/src/components/editor/NewProjectDialog.css
index 64af5927..92338411 100644
--- a/frontend/src/components/editor/NewProjectDialog.css
+++ b/frontend/src/components/editor/NewProjectDialog.css
@@ -25,7 +25,7 @@
   background: #1e1e1e;
   border: 1px solid #444;
   border-radius: 10px;
-  width: min(920px, 94vw);
+  width: min(840px, 94vw);
   max-height: 86vh;
   display: flex;
   flex-direction: column;
@@ -68,8 +68,8 @@
 
 .new-project-grid {
   display: grid;
-  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
-  gap: 10px;
+  grid-template-columns: repeat(auto-fill, minmax(178px, 1fr));
+  gap: 8px;
 }
 
 .new-project-card {
@@ -114,8 +114,8 @@
 .new-project-card-info {
   display: flex;
   flex-direction: column;
-  gap: 3px;
-  padding: 9px 12px 11px;
+  gap: 2px;
+  padding: 7px 10px 9px;
 }
 
 .new-project-card-blank {
@@ -128,21 +128,21 @@
   display: flex;
   align-items: center;
   justify-content: center;
-  font-size: 42px;
+  font-size: 64px;
   font-weight: 300;
-  color: #4a4f58;
+  color: #4a9eff;
   background: transparent;
 }
 
 .new-project-card-name {
   font-weight: 600;
-  font-size: 13px;
+  font-size: 12px;
   /* Keep clear of the PRO pill in the corner. */
-  padding-right: 44px;
+  padding-right: 40px;
 }
 
 .new-project-card-desc {
-  font-size: 11px;
+  font-size: 10.5px;
   color: #8f949c;
   line-height: 1.35;
 }
diff --git a/frontend/src/components/editor/NewProjectDialog.tsx b/frontend/src/components/editor/NewProjectDialog.tsx
index 55c0bc4e..f781b210 100644
--- a/frontend/src/components/editor/NewProjectDialog.tsx
+++ b/frontend/src/components/editor/NewProjectDialog.tsx
@@ -48,6 +48,7 @@ interface NewProjectDialogProps {
 /** Card blurbs (same voice as the component picker's board descriptions). */
 const BOARD_BLURBS: Record<string, string> = {
   'arduino-uno': '8-bit AVR, 32KB flash, 14 digital I/O',
+  'arduino-mega': '8-bit AVR, 256KB flash, 54 digital I/O',
   esp32: 'Xtensa LX6 dual-core, WiFi+BT, 38 GPIO (QEMU)',
   'xiao-esp32-s3': 'Seeed XIAO tiny form, 8MB flash+PSRAM (QEMU)',
   'xiao-esp32-c3': 'Seeed XIAO ESP32-C3 mini board (QEMU)',
@@ -126,6 +127,7 @@ export function clearWorkspaceForStarter(): void {
  */
 const PREFERRED_BLINK_EXAMPLE: Record<string, string> = {
   'arduino-uno': 'blink-led',
+  'arduino-mega': 'mega-blink',
   esp32: 'esp32-blink-led',
   'esp32-s3': 'esp32s3-blink-led',
   'esp32-c3': 'c3-blink',
@@ -225,7 +227,7 @@ export const NewProjectDialog: React.FC<NewProjectDialogProps> = ({ isOpen, onCl
       return d ? [{ kind: d.kind, blurb: d.description }] : [];
     };
     return [
-      { title: 'Arduino', entries: [oss('arduino-uno')] },
+      { title: 'Arduino', entries: [oss('arduino-uno'), oss('arduino-mega')] },
       // One card per ESP32 chip generation, XIAO variant preferred where
       // Seeed makes one: classic → DevKit V1, S3/C3 → XIAO, C6 → XIAO (overlay).
       {