diff --git a/publisher.go b/publisher.go
index fb02eed..06edec0 100644
--- a/publisher.go
+++ b/publisher.go
@@ -556,7 +556,20 @@ func (p *Publisher) fetchAndUploadImage(session *PDSSession, imageURL string) *B
 	return result.Blob
 }
 
+// upgradeImageURL attempts to get a larger version of known CDN image URLs
+func upgradeImageURL(imageURL string) string {
+	// BBC images: /standard/240/ -> /standard/800/
+	if strings.Contains(imageURL, "ichef.bbci.co.uk") {
+		imageURL = strings.Replace(imageURL, "/standard/240/", "/standard/800/", 1)
+		imageURL = strings.Replace(imageURL, "/standard/480/", "/standard/800/", 1)
+	}
+	return imageURL
+}
+
 func (p *Publisher) fetchAndUploadImageWithDimensions(session *PDSSession, imageURL string) *ImageUploadResult {
+	// Upgrade image URL to larger size if possible
+	imageURL = upgradeImageURL(imageURL)
+
 	// Fetch the image
 	resp, err := p.httpClient.Get(imageURL)
 	if err != nil {