I just want a USB drive with an ISO folder- drop .iso files and if you boot off the USB, you get a menu to choose one of the ISOs. Bonus if it does UEFI and BIOS. Ideally, it doesn't require Windows ...
I've followed those instructions for my usb stick. Only diff is, I wasn't interested in putting all those distros into my stick, I just needed Ubuntu 10.04, 32 and 64-bit, so I dropped those 2 iso's ...