diff --git a/layers/community/components/CommunityWall.vue b/layers/community/components/CommunityWall.vue
index ca7c3a60..ba71c0f2 100644
--- a/layers/community/components/CommunityWall.vue
+++ b/layers/community/components/CommunityWall.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import type { Contribution, Contributor } from '../types'
+import { supporterAvatarUrl } from '../utils/avatars'
 
 defineProps<{
   contributors: Contributor[]
@@ -14,6 +15,8 @@ const initialClass
   = 'flex size-14 shrink-0 items-center justify-center rounded-medium bg-primary-container '
     + 'text-headline-small font-bold text-on-primary-container'
 
+const failedAvatars = reactive(new Set<string>())
+
 const badgeLabel = (contribution: Contribution) => {
   if (contribution.kind === 'build') return t('community.wall.badge_build', { title: contribution.title })
   if (contribution.kind === 'event') {
@@ -29,7 +32,10 @@ const badgeLink = (contribution: Contribution, name: string) => contribution.kin
 /** Minecraft head with an `mcName`, else the supporter's avatar, else (supporters) an initial. */
 const avatarOf = (person: Contributor): string | null => {
   if (person.mcName) return teamAvatarUrl({ mcName: person.mcName }, 128)
-  if (person.avatarUrl) return person.avatarUrl
+  if (person.avatarUrl) {
+    const profile = person.contributions.find((c) => c.kind === 'supporter')?.path
+    return supporterAvatarUrl(person.avatarUrl, profile)
+  }
   return person.contributions.every((c) => c.kind === 'supporter') ? null : teamAvatarUrl({}, 128)
 }
 </script>
@@ -49,20 +55,17 @@ const avatarOf = (person: Contributor): string | null => {
         :key="person.key"
         :class="personClass"
       >
-        <NuxtImg
-          v-if="avatarOf(person)"
+        <img
+          v-if="avatarOf(person) && !failedAvatars.has(person.key)"
           :src="avatarOf(person)!"
           alt=""
           width="56"
           height="56"
-          fit="cover"
-          format="avif,webp"
-          quality="80"
-          densities="x1 x2"
           class="size-14 shrink-0 rounded-medium bg-surface-container-highest object-cover"
           loading="lazy"
           decoding="async"
-        />
+          @error="failedAvatars.add(person.key)"
+        >
         <span v-else :class="initialClass" aria-hidden="true">
           {{ person.name.charAt(0).toUpperCase() }}
         </span>
diff --git a/layers/community/utils/avatars.ts b/layers/community/utils/avatars.ts
new file mode 100644
index 00000000..053a652a
--- /dev/null
+++ b/layers/community/utils/avatars.ts
@@ -0,0 +1,24 @@
+import { smallAvatarUrl } from '#shared/utils/liteSupporters'
+
+const OPEN_COLLECTIVE_AVATAR_HOSTS = new Set([
+  'opencollective-production.s3.us-west-1.amazonaws.com', 'images.opencollective.com'
+])
+
+/** 128px covers the 56px wall box at 2x. */
+const WALL_AVATAR_SIZE = 128
+
+/**
+ * A supporter's avatar as the wall loads it. Open Collective avatars become
+ * the sized render of the profile: the S3 original is too large, and the
+ * resizer rejects that origin. Any other host passes through unchanged.
+ */
+export function supporterAvatarUrl(avatarUrl: string, profile: string | undefined): string | null {
+  let host: string
+  try {
+    host = new URL(avatarUrl).hostname
+  } catch {
+    return null
+  }
+  if (!OPEN_COLLECTIVE_AVATAR_HOSTS.has(host)) return avatarUrl
+  return profile ? smallAvatarUrl(profile, WALL_AVATAR_SIZE) : null
+}
diff --git a/shared/utils/liteSupporters.ts b/shared/utils/liteSupporters.ts
index d9db63c8..8937a191 100644
--- a/shared/utils/liteSupporters.ts
+++ b/shared/utils/liteSupporters.ts
@@ -42,9 +42,9 @@ const avatarOf = (value: unknown): string | null => {
 }
 
 /** Open Collective's resizer: the S3 original runs to 860 KB; 96px covers the 48px box at 2x. */
-export function smallAvatarUrl(profile: string): string | null {
+export function smallAvatarUrl(profile: string, size = 96): string | null {
   const slug = new URL(profile).pathname.split('/').find(Boolean)
-  return slug ? `https://images.opencollective.com/${slug}/avatar/96.png` : null
+  return slug ? `https://images.opencollective.com/${slug}/avatar/${size}.png` : null
 }
 
 /**
diff --git a/tests/community/avatars.spec.ts b/tests/community/avatars.spec.ts
new file mode 100644
index 00000000..85e2dff7
--- /dev/null
+++ b/tests/community/avatars.spec.ts
@@ -0,0 +1,40 @@
+import { describe, expect, it } from 'vitest'
+import { smallAvatarUrl } from '../../shared/utils/liteSupporters'
+import { supporterAvatarUrl } from '../../layers/community/utils/avatars'
+
+const S3_ORIGINAL = 'https://opencollective-production.s3.us-west-1.amazonaws.com/account-avatar/1/a.png'
+const SIZED = 'https://images.opencollective.com/marc44/avatar/128.png'
+const PROFILE = 'https://opencollective.com/marc44'
+
+describe('supporterAvatarUrl', () => {
+  it('maps an Open Collective S3 original to the sized render of the profile', () => {
+    expect(supporterAvatarUrl(S3_ORIGINAL, PROFILE)).toBe(SIZED)
+  })
+
+  it('maps an images.opencollective.com avatar to the same sized render', () => {
+    expect(supporterAvatarUrl('https://images.opencollective.com/marc44/avatar/96.png', PROFILE)).toBe(SIZED)
+  })
+
+  it('returns null for an Open Collective avatar without a profile, so the original is never loaded', () => {
+    expect(supporterAvatarUrl(S3_ORIGINAL, undefined)).toBeNull()
+  })
+
+  it('returns null when the profile names no collective slug', () => {
+    expect(supporterAvatarUrl(S3_ORIGINAL, 'https://opencollective.com/')).toBeNull()
+  })
+
+  it('keeps an avatar from another host unchanged', () => {
+    const other = 'https://mc-heads.net/avatar/marc/128'
+    expect(supporterAvatarUrl(other, PROFILE)).toBe(other)
+  })
+})
+
+describe('smallAvatarUrl size', () => {
+  it('renders at the requested size', () => {
+    expect(smallAvatarUrl(PROFILE, 128)).toBe(SIZED)
+  })
+
+  it('renders at 96px unless asked otherwise', () => {
+    expect(smallAvatarUrl(PROFILE)).toBe('https://images.opencollective.com/marc44/avatar/96.png')
+  })
+})
diff --git a/tests/community/components.spec.ts b/tests/community/components.spec.ts
index 9938a3c8..ee3c40b3 100644
--- a/tests/community/components.spec.ts
+++ b/tests/community/components.spec.ts
@@ -1,6 +1,7 @@
 // @vitest-environment nuxt
 import { mountSuspended } from '@nuxt/test-utils/runtime'
 import { describe, expect, it } from 'vitest'
+import { nextTick } from 'vue'
 import CommunityStats from '../../layers/community/components/CommunityStats.vue'
 import CommunityStrip from '../../layers/community/components/CommunityStrip.vue'
 import CommunityWall from '../../layers/community/components/CommunityWall.vue'
@@ -136,7 +137,34 @@ describe('CommunityWall', () => {
       contributions: [{ kind: 'supporter', path: 'https://opencollective.com/marc44' }]
     }
     const wrapper = await open(CommunityWall, { contributors: [marc] })
-    expect(wrapper.get('img').attributes('src')).toContain('opencollective-production')
+    expect(wrapper.get('img').attributes('src')).toBe('https://images.opencollective.com/marc44/avatar/128.png')
+  })
+
+  it('loads the supporter avatar without the image resizer', async () => {
+    const marc: Contributor = {
+      key: 'marc',
+      name: 'Marc',
+      anchor: 'person-marc',
+      avatarUrl: 'https://opencollective-production.s3.us-west-1.amazonaws.com/a.png',
+      contributions: [{ kind: 'supporter', path: 'https://opencollective.com/marc44' }]
+    }
+    const wrapper = await open(CommunityWall, { contributors: [marc] })
+    expect(wrapper.get('img').attributes('src')).not.toContain('cdn-cgi')
+  })
+
+  it('replaces a supporter avatar that fails to load with the initial', async () => {
+    const marc: Contributor = {
+      key: 'marc',
+      name: 'Marc',
+      anchor: 'person-marc',
+      avatarUrl: 'https://opencollective-production.s3.us-west-1.amazonaws.com/a.png',
+      contributions: [{ kind: 'supporter', path: 'https://opencollective.com/marc44' }]
+    }
+    const wrapper = await open(CommunityWall, { contributors: [marc] })
+    await wrapper.get('img').trigger('error')
+    await nextTick()
+    expect(wrapper.find('img').exists()).toBe(false)
+    expect(wrapper.get('[aria-hidden="true"]').text()).toBe('M')
   })
 
   it('shows an initial instead of an image for a supporter without avatar', async () => {