If you subscribed to the map, the map will be located in the workshop folder of your SFM files, not usermod, so when downloading the files
(http:// www. mediafire .com/file/ q6nhecvghaw83oh/ FNAF2_Props_and_stuff.zip/file)
(I putted some spaces in the link to avoid it being deleted)
extract the model zip (FNAF2_Props.zip) in workshop/models, and the materials zip (FNAF2_Props materials.zip) in workshop/materials
(both folders are named FNAF2_Props, that's normal)
The paths should look like this:
MATERIALS: C:\Program Files (x86)\Steam\SteamApps\common\SourceFilmmaker\game\workshop\materials\FNAF2_Props
MODELS: C:\Program Files (x86)\Steam\SteamApps\common\SourceFilmmaker\game\workshop\models\FNAF2_Props