eBay.com has the Wowwee Cinemin Swivel Multimedia Pico Projector for $249.99. This projector ships for Free, and it:

• Plays Videos
• Made for iPod
• DLP Projection Technology
• Plays Photos
• SleekWorks with iPhone
• Ultra-Clear High Contrast Picture
• Project onto your Tent, Ceiling i.e.HVGA ( 480 x 320 resolution )3:2 aspect ratio
• Contrast ratio of 1000:1
• Maximum image size of 60” (1.5m)
• diagonal in a dim or dark room
• Viewable range of 5” ( 12 cm ) to 81” (2m)
• Manual focus.5 watt mono audio speaker with adjustable volume control
• 90 degree hinge
• Rechargeable Lithium-Polymer battery