im obviously new, very new... to the photography world. i have signed up for some classes here at my local dealer, so that im not posting common knowledge questions to all you pros... but, in the meantime i have 3 cars that need to be photographed for the upcoming barrett jackson auction. i have recently purchased a d90 and will be using a new nikon 12-24 lens as well... i will be shooting these pictures outside, against a solid white wall and the sun at my back (this is the plan anyways)... i need the pictures to be the highest possible resolution i can get, since they will be projected onto a 150"+ screen at the actual auction. my question is: how do i set up my camera to get the highest possible resolution (taking into consideration what im shooting and what lens ill be using)??? im clueless on how/what to do in order to make these photos sharp enough to be projected to a screen of that size. i took photos with my point-n-shoot and tried emailing them in different formats, but all i was told is that the photo quality (or size) wasnt big enough. they are suppose to be a miniumum of 1mb but preferably bigger??? how can i achieve this size and the highest quality resolution possible? thanks in advance for any help you can provide!!!