Greg Grunberg (from Felicity and Alias) got his celebrity friends to support his charity, the Pediatric Epilepsy Project, by having them create greeting cards that are being sold online at kidsartcards.com
Artists include Jennifer Garner, Teri Hatcher, Sean Hayes, Sly Stallone, Kevin Kline, Taye Diggs, Ryan Seacrest, Sarah Jessica Parker
The company has a fundraising program for organizations; details at -
http://www.kidsartinc.com/fundraising_overview.asp
Available by inidividual celebrity or assortment. Sold in sets of 12 cards with 12 matching envelopes, 4 1/4" x 5 1/2", packaged in clear gift box, inside blank.