How to install correctly:
1-Extract dod_stalingrad.bsp to maps folder located in dayofdefeat
2-Make a folder called "sajo_stalingrad" in the sound and models folder.
3-Extract the siren.wav in sound/sajo_stalingrad/ (the sajo_stalingrad folder which we just created)
4-Extract the sovietflag.mdl in models/sajo_stalingrad/ (the sajo_stalingrad folder which we just created)
5-Have fun and watch out for airraids ;)

by Sajo 
www.mappinghl.cjb.net