Lifehacker has some good stuff not just technical but lifestyle
see this one - when we lost a bag in NZ it was hard to describe and they give you a form with shapes.
being able to show a photo on phone of camera will be a great help.
Use Your Camera Phone To Document Suitcase and Contents - Lifehacker Australia
and don't forget when parking at shopping centres take a photo of floor sign just in case
This is site Lifehacker was linking to
Cell Phone Camera Tip: Snap Your Suitcase Contents Pre-Flight | cell phone
I also like this - photo appointment cards
Geek Tip: Keep Track of Appointments With Your Cell Phone's Camera
And David likes Videojug for "How to Do's" here is their luggage Luggage (Travel: Luggage)