revert to sending summary for images, it should work

activity.go

@@ -1142,13 +1142,8 @@ func activatedonks(donks []*Donk) []junk.Junk {
 		}
 		jd := junk.New()
 		jd["mediaType"] = d.Media
-		if !strings.Contains(d.Media, "image") {
-			// nobody does this right
 		jd["name"] = d.Name
 		jd["summary"] = html.EscapeString(d.Desc)
-		} else {
-			jd["name"] = d.Desc
-		}
 		jd["type"] = "Document"
 		jd["url"] = d.URL
 		atts = append(atts, jd)