http://PhotoVoiceSendNow.com The best iPhone camera app to take to a flea market is PhotoVoice. Take photos of everything that interests you and instantly record a voice commentary for a mini "picture movie" to share with others.
Exceptionally easy to use. It's a real "audio postcard."
See for yourself -- check out all the rave reviews at the app store: http://itunes.apple.com/us/app/photov...