I found this great holiday user generated content viral promotion from RBLM.

A goateed guy on a scooter is not exactly Santa, but this customized Christmas message shows the rider driving by a kinda neat billboard that green-screens us into it.

You can upload your own photo and do the same.

http://scooter.rblm.com.

(site no longer available)

Tags: advertising, holiday card, RBLM, scooter, user generated, viral