How to use downloaded maps

Hi Guys just wanted to know how to run a maps that i Downloaded
using Modern warfare 2 AletrIwnet
Downloaded :
contingency.ff
gulag.ff
invasion.ff
oilrig.ff
so_bridge.ff
so_ghillies.ff and nuketown_4d1
I did put them in the mods folder and have Modern Warfare 2 ModLoader v1.1
by AgentGOD
but cant load these maps to play
can anyone please assist,Thank you

I will assume you are using 4d1? Did you purchase them? If not and you downloaded them the. You can do this;
You need to download the dlc map pack manually sometimes this happens( sorry I can't post outside links)
If you want the link just email me.