for what game you looking at to get the mods for?
DF1, DF2, DFLW, DF:TFD, ....ect
great site for Mod's search for Delta Force at
https://www.moddb.com/mods
they have mods, keep in mind host a game been moded all most use that mod to play together, reason maps be pack with the mod (extra) item to them, players without the mod can't enter that server that is hosting the game that been modded. all so add a note to the maps.zip file you made telling players what mods been used to make the maps with so they know what they need to play those maps. otherwise, they get an error when trying to enter a server that has a mod using the active map they not using that mod
For more details on the use of mods for the set, games ask Skimpy he knows a lot more than me! jk
btw the stander map is not modded unless they say so in a text file added to the map.file sometimes will see a guy standing up high not standing anything that's a mod added to the map, not all can see it, just look player standing in the air, not on top of something, some maps may have building added in using a mods