Thanks Krusty it was pre set at 1024 and before I downloaded the skins I had little to no lag. I have since switched to 512, without removing the skins, and although I am no longer lagging, Trees and objects on the ground sometimes look like white blocks.
I have my FPS set at 60
My computer is ancient but my vid card is pretty good, I think.
Pentium 4 - 2.26 GHz
Radeon 9550 -256mb
1000 ram
Any other tips or tricks would be greatly appreciated.
Thanks again for all the help