LightRoom 4 Presets and Tutorials
Try these. Some may be pay sites.
Here is a great source for up to date LR presets.
Most of the following will be for LR2 or LR3 but they can get you started and you can update them yourself.
Living and loving it in Bangkok, Thailand. Canon 7D - See the gear list for the rest.
|_F0A5334-Edit_small by Dester Wallaboo|
from Open Air Fashion Photography
|Feed me, me, me, me, me by Denjw|
from Attention-Seekers in Nature