3M also makes black sticky notes (intended for use with gel pens). Cut a piece off the sticky area and it blends in perfectly with ThinkPad matte black bezels.

3M also makes black sticky notes (intended for use with gel pens). Cut a piece off the sticky area and it blends in perfectly with ThinkPad matte black bezels. I also recommend putting another small piece on the backside (to make a "band-aid" shape) just to ensure that no adhesive gets left on your webcam lens cover.