Installation directions:

1)Install Metamod: Source.

2)Upload the cssdm folder to cstrike/addons.

3)Make sure the cstrike/addons/cssdm/bin folder has the binaries, and cstrikeaddons/cssdm/maps has the map spawn text files.

4)Configure cstrike/addons/cssdm/cssdm.cfg to your liking.

Add the following line to cstrike/addons/metamod/metaplugins.ini: 

addons/cssdm/bin/cssdm_mm

6)Restart your server.