Show us your best scream for Orphan pre-screening tickets and schwag!

If the trailer for Warner Bros.’s newest frightfest “Orphan” wasn’t enough to have you crawling out of your skin, than your nerves are far stronger than mine are. Nothing says “Happy July” than a pre-screening to what’s sure to be one of the scariest movies of 2009, and Blast is more than happy to get you some passes.

We have 15 passes to give away for a late-night screening of the film next Tuesday, July 21 — but there’s a little catch. Record a video of your best horror movie scream, post it to YouTube and leave a link to it as a comment below, and we will give passes to the first 15 who post.

Plus, the best five screamers will win a prize pack full of summer goodies like shot glasses, frisbees, t-shirts, official movie poster and beach balls, to mix a little fear into your summer fun.

This giveaway ends Friday, July 17. “Orphan” hits theaters July 24.