diff --git a/package-lock.json b/package-lock.json
index af61e06..08d38f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "axios": "^1.3.3",
         "bcrypt": "^5.1.0",
         "busboy": "^1.6.0",
-        "civkit": "^0.9.0-848ef4e",
+        "civkit": "^0.9.0-2570394",
         "core-js": "^3.37.1",
         "cors": "^2.8.5",
         "dayjs": "^1.11.9",
@@ -4003,9 +4003,9 @@
       }
     },
     "node_modules/civkit": {
-      "version": "0.9.0-848ef4e",
-      "resolved": "https://registry.npmjs.org/civkit/-/civkit-0.9.0-848ef4e.tgz",
-      "integrity": "sha512-yxk5AKaiZSN4ntlwybVHYgUer402CSw06KzN7wvfaYra9evZkZ7MiFHGULqMnY7657k3CH0WV4n6jGfRj1Vpvw==",
+      "version": "0.9.0-2570394",
+      "resolved": "https://registry.npmjs.org/civkit/-/civkit-0.9.0-2570394.tgz",
+      "integrity": "sha512-w77agnElTEP6g+l66KhX1Ib9z7JXbR3FaR5/2yTUPIPjm32qsWkmKRvv0mZ83IcMSSmTjF9LxboYAliyTx7cIA==",
       "license": "AGPL",
       "dependencies": {
         "lodash": "^4.17.21",
diff --git a/package.json b/package.json
index a43500d..eee7f03 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "axios": "^1.3.3",
     "bcrypt": "^5.1.0",
     "busboy": "^1.6.0",
-    "civkit": "^0.9.0-848ef4e",
+    "civkit": "^0.9.0-2570394",
     "core-js": "^3.37.1",
     "cors": "^2.8.5",
     "dayjs": "^1.11.9",
diff --git a/src/api/crawler.ts b/src/api/crawler.ts
index 982a4b0..ce1cb8f 100644
--- a/src/api/crawler.ts
+++ b/src/api/crawler.ts
@@ -1069,7 +1069,6 @@ export class CrawlerHost extends RPCHost {
                 title: snapshot.title,
                 content: snapshot.parsed?.textContent,
                 url: presumedURL?.href || snapshot.href,
-                [Symbol.dispose]: () => undefined,
             };
 
             Object.defineProperty(output, 'textRepresentation', {
diff --git a/src/services/alt-text.ts b/src/services/alt-text.ts
index 143cea9..55a5ba1 100644
--- a/src/services/alt-text.ts
+++ b/src/services/alt-text.ts
@@ -33,8 +33,11 @@ export class AltTextService extends AsyncService {
         try {
             const img = await this.canvasService.loadImage(url);
             const contentTypeHint = Reflect.get(img, 'contentType');
+            if (Math.min(img.naturalHeight, img.naturalWidth) <= 1) {
+                return `A ${img.naturalWidth}x${img.naturalHeight} image, likely be a tacker probe`;
+            }
             if (Math.min(img.naturalHeight, img.naturalWidth) < 64) {
-                throw new AssertionFailureError({ message: `Image is too small to generate alt text for url ${url}` });
+                return `A ${img.naturalWidth}x${img.naturalHeight} small image, likely a logo, icon or avatar`;
             }
             const resized = this.canvasService.fitImageToSquareBox(img, 1024);
             const exported = await this.canvasService.canvasToBuffer(resized, 'image/png');
@@ -63,6 +66,32 @@ export class AltTextService extends AsyncService {
         }
         const digest = md5Hasher.hash(imgBrief.src);
         const shortDigest = Buffer.from(digest, 'hex').toString('base64url');
+        let dims: number[] = [];
+        do {
+            if (imgBrief.loaded) {
+                if (imgBrief.naturalWidth && imgBrief.naturalHeight) {
+                    if (Math.min(imgBrief.naturalWidth, imgBrief.naturalHeight) < 64) {
+                        dims = [imgBrief.naturalWidth, imgBrief.naturalHeight];
+                        break;
+                    }
+                }
+            }
+
+            if (imgBrief.width && imgBrief.height) {
+                if (Math.min(imgBrief.width, imgBrief.height) < 64) {
+                    dims = [imgBrief.width, imgBrief.height];
+                    break;
+                }
+            }
+
+        } while (false);
+
+        if (Math.min(...dims) <= 1) {
+            return `A ${dims[0]}x${dims[1]} image, likely be a tacker probe`;
+        }
+        if (Math.min(...dims) < 64) {
+            return `A ${dims[0]}x${dims[1]} small image, likely a logo, icon or avatar`;
+        }
 
         const existing = await ImgAlt.fromFirestore(shortDigest);
 
@@ -102,4 +131,4 @@ export class AltTextService extends AsyncService {
 
         return generatedCaption;
     }
-}
+};
diff --git a/src/services/puppeteer.ts b/src/services/puppeteer.ts
index 3b13f81..8bab0a7 100644
--- a/src/services/puppeteer.ts
+++ b/src/services/puppeteer.ts
@@ -407,18 +407,7 @@ function giveSnapshot(stopActiveSnapshot, overrideDomAnalysis) {
     if (document.baseURI !== r.href) {
         r.rebase = document.baseURI;
     }
-    r.imgs = briefImgs().filter((x)=> {
-        if (x.complete) {
-            if (Math.min(x.width, x.height, x.naturalWidth, x.naturalHeight) < 64) {
-                return false;
-            }
-        }
-        const m = Math.min(x.width, x.height);
-        if (m && m < 64) {
-            return false;
-        }
-        return true;
-    });
+    r.imgs = briefImgs();
 
     return r;
 }
diff --git a/src/services/snapshot-formatter.ts b/src/services/snapshot-formatter.ts
index 60c126b..f02fa4b 100644
--- a/src/services/snapshot-formatter.ts
+++ b/src/services/snapshot-formatter.ts
@@ -43,7 +43,7 @@ export interface FormattedPage {
 
     textRepresentation?: string;
 
-    [Symbol.dispose]: () => void;
+    [Symbol.dispose]?: () => void;
 }
 
 export const md5Hasher = new HashManager('md5', 'hex');
@@ -199,7 +199,6 @@ export class SnapshotFormatter extends AsyncService {
                 description: (snapshot.description || '').trim(),
                 url: nominalUrl?.toString() || snapshot.href?.trim(),
                 publishedTime: snapshot.parsed?.publishedTime || undefined,
-                [Symbol.dispose]: () => { },
             };
 
             Object.assign(f, formatted);
@@ -395,7 +394,6 @@ export class SnapshotFormatter extends AsyncService {
             url: nominalUrl?.toString() || snapshot.href?.trim(),
             content: contentText,
             publishedTime: snapshot.parsed?.publishedTime || undefined,
-            [Symbol.dispose]: () => { },
         };
 
         if (snapshot.status) {