zmrp_smalltown_fixed :D

This download looks like an addon. You need to extract the downloaded zip and put the addon folder in your Garry's Mod addons folder. You should end up with a directory structure similar to below:

• steamapps
  • common
    • garrysmod
      • garrysmod
        • addons
          • Screenshots <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• Screenshots/
  • zmrp_smalltown0000.jpg
  • zmrp_smalltown0001.jpg
  • zmrp_smalltown0002.jpg
  • zmrp_smalltown0003.jpg
  • zmrp_smalltown0004.jpg
  • zmrp_smalltown0005.jpg
  • zmrp_smalltown0006.jpg
  • zmrp_smalltown0007.jpg
  • zmrp_smalltown0008.jpg
  • zmrp_smalltown0009.jpg
  • zmrp_smalltown0010.jpg
• READ-ME.txt
• zmrp_smalltown_fixed.bsp

Tum Burn [TH], ◢ k r i s ◤, joeyjeancharles72, GabrysZRT, PORCO DIO, Dubstep_T, Taner Ustacan, tbladwin, Dadak, dean.galla, ahmedkfsh, Sr. IK A IN T, zachperrier21, sasamoskolenko, takenoko_01tk18, conorbonn.CB, skoy, Bork, floresnicolas262, Marcwel, RedEagle, Doom213, Bravo2YTpl, ThaMech202, didier.maire2422, dei21319, justyna.muc, re15revisited, Brisbane—Destructo, haloreachfolife, tjpetpetty2334, Red 1, 暗影先锋, daswolf, MrSuicidalSheep, Kirbysqueaksquad123, moartea_221, Spooki69, zibidi26, Saysay, 33samiyunus33, pvpvirtuozz, Last_Unicorn_VK, encarnabra73, Sir Tony™, ♠The Man who cried Wolf♠, fromentvalerie, jm.jason177, Pawu, [EG] ♛ +59 others