The spawner.7z file you have requested: Modifications / Single Player / S to T Titles / Spawner (v0.3) - 2.45mb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Clear Sky and upload any files you want to share or are missing. This is the only information we could locate:
Install as a mod.While in a game, hit ESC and then F1. You'll see a menu with three columns. The 1-st one is for weapons, 2-nd is for dogs, and the 3-rd - for cars. If you don't want the cars to be so fragile, edit the immunities sections This mod spawns cars, dogs and weapons by an auxilliary menu. It is an alternative to Helios mod with cars, that I've found on a russian site.