Help!! i juz update my 1st gen itouch to 1.1.5 via itunes & jailbreak it via ziphone. but notice i can't download summerboard under installer. Some other applications also failed to download. installer keep showing 'download package failed' message. read online that i need to up to 2.2.1 to use winterboard theme. But i don't know how to go about doing it. Anyone can help?