For the Art Contest, all you need to do is create your best piece of art based on Blizzard material from any of their games. The first place winner will receive $1,500, second place will receive $1,000, and third place will receive $700 -- and all three winners will receive a ticket to BlizzCon as well. All entries must be receive by August 23, and meet the formatting requirements. And remember, the contest is for original works -- Photoshop manipulations don't count. Check out the official rules for more information.
For the Movie Contest, films both live action and using in game footage -- or a combination of both -- featuring Blizzard's game universes are now being taken for consideration. Prizes for this year's movie contest include $2,000 and an Oswald Statue for first place, $1,250 for second place, and $750 for third place. And again, all three winners will receive a ticket to Blizzcon as well! Movies must be no more than three minutes in length, and as with the Art Contest, all submissions must be received by August 23. Take a look at the official rules for more information.
To submit your entries, simply head to the official page for both contests. Good luck to all who enter!