Where can I find...

[AMmayhem]

Snow textures. Need some for some snowy mountains and hills, etc.

[Seco_In_The_Bushes]

Shock Systems

I think they are hosted by planet unreal (planetunreal.com/shocksystems ?)

Download the AS-coldsteel maps, they come with execptional snow textures. You could also just get the levels from nalicity =)

[Aggressor]

Or you can DL just the texture pack from their site :D