Could you spot a skimming cash machine?

Do you think you could spot a dodgy cash machine? I don't think I could - look at these pictures and see for yourself.

Crooks Rock Audio-based ATM Skimmers — Krebs on Security

Criminals increasingly are cannibalizing parts from handheld audio players and cheap spy cams to make extremely stealthy and effective ATM skimmers, devices designed to be attached to cash machines and siphon card + PIN data, a new report warns.