Achievement Help

I’m in need of help with 6 more achievements before i get real xbox live gold and the noble and defiant map packs and 4 after i get real xbox live gold and the map packs.The ones i need help with still are as follows:

Before i get real xbox live gold:

  1. You Ate All The Chips
  2. Liscensed To Kill
  3. Top Shot
  4. Bounty Hunter (needs to be done in rumble pit)
  5. Totally Worth It
  6. Stick It To The Man

And the 4 i need help with after i get real xbox live gold and the map packs:

  1. All Alone
  2. You Blew It Up
  3. Dont Touch That
  4. Paper Beats Rock

If Anyone can help, please let me know, thanks in advance for any help

This is in Halo Reach, btw, though that should be obvious