hello, i am having a problem with my 2nd gen 16gb ipod touch. i am running a jb 3.0 firmware. on some video podcasts i watch (from different feeds) the screen will turn green with colored lines. and the audio will play as normal. this always happen at the same spot in the podcast. happen with several videos from different podcasts. i installed the entire ipod from zero (no backup) and this still happens! can you help me find what the problem is?