You can order the moo cards from moo.com, they take pictures from flickr.com as many as you like per pack. You get 100 cards for $20 bucks, so you could do 100 different cards, or you can do a single photo per 100, or something in between. Obviously your personal contact details are on the back and you get to tailor the layout, font, color etc. The cards as as wide as normal business cards, but only half the height. Perfect size to put in the ticket pocket of your jeans etc.
If you are interested in getting your own, post here, email me, or txt me. I have to 20% off codes for online ordering. Thanks to KKW for the great picture of my age group at HIMFL 2006, and to the unknown Peruvian teenager for the picture ontop of Wannupicchu, after the race up this year.