I keep getting this error, although i wouldn't expect it to be a flash drive problem. I've tried an 8gig and 16gig flash drive.
This occurs for all the packages that try to download.
I: Retrieving libncurses5
I: Validating libncurses5
W: http://www.emdebian.org/grip/pool/main/n/ncurses/libncurses5_5.7+20100313-5em1_armel.deb was corrupt
W: Couldn't download package libncurses5
I: Retrieving libncursesw5
I: Validating libncursesw5
W: http://www.emdebian.org/grip/pool/main/n/ncurses/libncursesw5_5.7+20100313-5em1_armel.deb was corrupt
W: Couldn't download package libncursesw5
I: Retrieving libpam-modules
I: Validating libpam-modules
W: http://www.emdebian.org/grip/pool/main/p/pam/libpam-modules_1.1.1-6.1em1_armel.deb was corrupt