Its hard to explain it basically looks like the trees are growing bigger and smaller sorta like a wind effect is suppose to happen but it ends up looking like they are growing and contracting. Anyone know good video capturing software i can use to basically show this ? Here is my settings and config info

Intel Core I7 920
Windows 7 64 bit
2x460 GTX 1gb in SLI
Windowed
1680 x 1050
4 x MSAA
8 standard
5 general drawing quality
5 background drawing quality
shadow detail: standard
Depth of Field: on
texture quality: high
texture filtering: high