But overall, I can recommend PeggyBank, whose name is a play on both "piggy bank" and on the names of the most common digital video, audio and photo file formats: MPEG and JPEG.

WSJ: PeggyBank Service Gives You a Place to Deposit Recorded Memories

Google Drive failed to find images with generic file names on almost all of my own pictures, even when they included things like mountains or other common objects.

WSJ: Google Drive Stores, Syncs, Edits in the Cloud