diff --git a/showcase/acp-sec/assets/hero-card.png b/showcase/acp-sec/assets/hero-card.png
new file mode 100644
index 0000000..5aec335
Binary files /dev/null and b/showcase/acp-sec/assets/hero-card.png differ
diff --git a/showcase/acp-sec/showcase.json b/showcase/acp-sec/showcase.json
index acd9f16..d04aaf1 100644
--- a/showcase/acp-sec/showcase.json
+++ b/showcase/acp-sec/showcase.json
@@ -27,7 +27,8 @@
   "visual": {
     "kind": "security scan report",
     "eyebrow": "base + acp + erc-8004/8183",
-    "title": "trust score for acp agents"
+    "title": "trust score for acp agents",
+    "posterUrl": "https://raw.githubusercontent.com/Virtual-Protocol/acp-cli-demos/main/showcase/acp-sec/assets/hero-card.png"
   },
   "skills": [
     {
diff --git a/showcase/antfleet-pr-audit/assets/hero-card.png b/showcase/antfleet-pr-audit/assets/hero-card.png
new file mode 100644
index 0000000..d14e16c
Binary files /dev/null and b/showcase/antfleet-pr-audit/assets/hero-card.png differ
diff --git a/showcase/antfleet-pr-audit/showcase.json b/showcase/antfleet-pr-audit/showcase.json
index 0c48c2d..4014156 100644
--- a/showcase/antfleet-pr-audit/showcase.json
+++ b/showcase/antfleet-pr-audit/showcase.json
@@ -27,7 +27,8 @@
   "visual": {
     "kind": "two-model consensus deliverable",
     "eyebrow": "base + acp + two-model consensus",
-    "title": "consensus PR review with receipts"
+    "title": "consensus PR review with receipts",
+    "posterUrl": "https://raw.githubusercontent.com/Virtual-Protocol/acp-cli-demos/main/showcase/antfleet-pr-audit/assets/hero-card.png"
   },
   "skills": [
     {
diff --git a/showcase/sting-bounty-hunter/assets/hero-card.png b/showcase/sting-bounty-hunter/assets/hero-card.png
new file mode 100644
index 0000000..a2e7e17
Binary files /dev/null and b/showcase/sting-bounty-hunter/assets/hero-card.png differ
diff --git a/showcase/sting-bounty-hunter/showcase.json b/showcase/sting-bounty-hunter/showcase.json
index e1d943f..b106612 100644
--- a/showcase/sting-bounty-hunter/showcase.json
+++ b/showcase/sting-bounty-hunter/showcase.json
@@ -29,7 +29,8 @@
   "visual": {
     "kind": "multi-track bounty hunter offering",
     "eyebrow": "base + acp + seven bounty platforms",
-    "title": "HIGH-confidence-only submissions with platform receipts"
+    "title": "HIGH-confidence-only submissions with platform receipts",
+    "posterUrl": "https://raw.githubusercontent.com/Virtual-Protocol/acp-cli-demos/main/showcase/sting-bounty-hunter/assets/hero-card.png"
   },
   "skills": [
     {