I've reposted the full message from the CSTS forum here for your convenience. To read it in from the original source, just follow this link.

Do you love all things Serenity? Do you love doing good works? Do you have mad artistic skillz? Then there’s probably no power in the ‘Verse more compellin’ then a request for you and your awesome creativity.

Calling all Big Damn Artistical Heroes… We’re putting the signal out to those of YOU with the guts and artistic skills necessary to create the Official Promotional Artwork for CSTS 2010. (Read on...)