You need to flash the DVD drive and the Xbox firmware.
Yes depending on the size of the game and the flash drive.
As long as it shows up as some sort of icon or file, it may be put on the flash drive, but there must be space available in the flash drive.
yes you can but only if you have a hard drive
yes xbox games work on xbox360 if you have the hard drive but some of them dont work.
Yes because the downloaded games have nothing to do with the drive.
You don't need live to save games to the hard drive the game will simply ask you to create a new games save and off you go. If you have a memory card too the game will give you a choice of which device to save your game on.
yes it does i do it all the time i just hard drive
If you have a hard drive, Yes. Otherwise you cannot play original Xbox games. without a hard drive.
you save it on a flash drive then take the drive out and you saved your computer games.
Yes you can, though, not all games can load from the junk/flash drive.
You can.
Yes, an Xbox 360 Slim can play arcade games without a DVD drive if the games are downloaded and stored on the console's hard drive. Arcade games can be purchased and downloaded directly from the Xbox Live Marketplace. However, if you want to play physical copies of games, a functioning DVD drive is necessary.