Slam Dunk have announced details of an official t-shirt design competition.

If you are interested in taking part, here are the details from the Slam Dunk team themselves:

"To all those budding graphic designers and fashionistas out there!

We have THE competition for you. After the success of this competition last year, we are doing it all over again and handing over the duties of designing one of the official Slam Dunk Festival 2012 t-shirts to you, the public!

To be in with a chance of winning email your design to, clearly stating T-SHIRT COMPETITION as the subject. Include your design as an attachment and put your contact info in the body of the email. The finalists will have their designs displayed on our Facbook page and will under-go a public vote to decide the winner!

All finalists will recieve free tickets to this year's Festival and the winner will have their shirt go into production to be on sale at the Festival!

Closing date for entries is Friday 4th May. The finalists will be choosen and put to a public vote on Tuesday 8th May, lasting until Friday 11th May. The winning design will go into production that very weekend!

Why are you not on Photoshop already!?"