
Cartoon Network has partnered with Moxie Interactive to promote the film's TV debut with a tool that encourages users to themselves and thier friends.
Modelled on the popular elf yourself Christmas viral, users can add a dog collar, ears, wet nose, lolling tongue and tail to thier photos.
Scooby-Doo! The Mystery Begins will be released on TV on Sunday, followed by general release on DVD and Blu-Ray next week. The plot follows the gang solving their first mystery while still in high school.
The resulting image can be shared with friends through Facebook and MySpace.