Stolen bikes

Chopsicle
Things I've learned?
To record all my frame numbers - I've got my good ones documented, but not my runarounds.
Despite it being customised, I was wondering how I was going to prove ownership beyond doubt? Will now be sticking laminated cards w. contact details somewhere inside (ie headtube/bb/seat tube) all my frames, and photographing (with me in the pic as someone suggested above) my bikes.
Having a distincitve bike definitely helped out.
Be nice. These people are ignorant to the fundamental problems of bike culture, so flying off the handle wouldn't have helped anyone.

Sound advice, is there a thread with more info. like this on how to prevent possible theivery and to make it easier to get bikes back? Just about to get a new bike and want to do everything possible to keep it safe, have heard of people doing things to make their bikes look tacky (stickers, electrical tape etc.)... any other tips?

p.s. I'm new, hence why this might seem rather naiive!