QuickPWN 2.2.1 (Mac)
http://www.mediafire.com/?nzyzwojzoyz

iPhone 1st Gen 2.2.1 Firmware
http://tinyurl.com/agq6hd

Click This Link If You Are UNLOCKING iPhone 1st GEN You Will Need The Bootloader Files bl39.bin & bl46.bin -
http://www.mediafire.com/?9mdezqi2jem

iPhone 3G 2.2.1 Firmware
http://tinyurl.com/baspnn

iPod Touch 1st Gen 2.2.1 Firmware
http://www.megaupload.com/?d=TNIQVHJS

IMPORTANT
If you use Yellowsn0w with your iPhone 3G DO NOT UPDATE TO 2.2.1