Best mods for Total War, compiled for your amusement.
For Medieval 2(order of badassery, top 3 are equal):
Stainless Steel - Enhanced native campaign, basically.
Third Age - Lord of the Rings.
Broken Crescent - Eastern Roman Empire to Hindus. Medieval time period.
The Last Kingdom - Dark ages mod. British Isles.
Deus Lo Vult - Enhanced Native
THERA - Completely made up mod mixing many different cultures in to one map. Quite amusing.
Paeninsula Italica(beta) - Start of the Roman empire. Situated on the Italian Peninsula, in case your stupid.
Rome: Total War:
Roma Surrectum - Epic mod, nuff said.
Europa Barbarorum - Also an excellent mod. Both of these are enhanced native in essence.
Empire: Total War:
Darthmod - Enhanced native mod. Adds a ton of new troops 'n stuff.
Shogun 2: Total War:
Darthmod - Copy pasta. Enhanced native mod. Adds a ton of new troops 'n stuff.
Have fun.
And so that I'm not completely off topic. Something about C&C? Seems cool, I guess. Played C&C and Red Alert back in the day.