i own a 1989 toyota tarago i go camping a bit and the back seats lay down into a bed. what would be awesome would be to hook a projector up on the inside roof and the screen down near the front, now this is do-able however im not sure what i should be hooking the projector up to. i could have a dvd/media player in the back with the audio output to a different set of speakers than the ones i use for the cd player. but what i would love would be something that i can use as a cd player and then connect the projector up when i need it, any suggestions of what to use and how to set it up?? also what power source should i be using. something like another car battery that is rechargable by solar power or something?? thanks heaps just throw some ideas at me 