Transformers 3: Dark of the Moon posters by Jesse Philips for Mondo. /Film says, "Three thousand copies of the original will be handed out exclusively to attendees of special Tuesday June 28 screenings at Arclight Hollywood in Los Angeles, CA and a variant edition will be sold on @MondoNews Wednesday June 29."
I took the liberty of cropping a few widescreen wallpapers:
*Buy Alamo Drafthouse posters at eBay.