Fantasy mods have a small fan base around here where historical accuracy is such a hump. That said, if you're making a mod because you want popularity you would be making it for the wrong reasons. There's some nice units there but it needs context, a setting/back story and a name.
If I was being critical I'd say try and rework the armour textures you've taken from Medieval 2, they look blurred and crappy in RTW.
Think about relation in size between one area of clothing and another.
A lot of RTW skinners use the same texture for sleeves and skirts not noticing the planes are different eg; chain-mail on your sleeves looks to big.
Texture stretch on skirts with mail/patterns, it looks crappy and is easily got around by splitting the skirt and putting a plain texture in there with a bit of shadow.
Do more research into textures, I see a lot of TW reuse when a quick google search will give you much better real textures, especially things like
chain mail.
As CD said, get the RSII environment mod, or another sky mod. Change the lighting, RTW's system is to bright and unrealistic.
Most important, grade your unit textures to fit the environment. A lot of mods didn't do this and the units look like they are to dark or to light compared to their surroundings.
Good luck..