They are good but, you need to make a colour balance layer or something. The render and the background dont go together colourwise. Other than that, nice sigs
it isnt really that cool. doesnt matter if you learned. teach your self. brush over render, erase render, desatureate, color balance.
I dont like both of them..you didnt do a very good job. The Text is prolly the worst. Then the blending.
ctrl b for single layer, or down at the bottom of the layers window, next to layer mask, there is layer adjustments or something, and go to colorbalance