I think on some of them your lightsources appear a bit strong / overpowering, but even from an early stage throughout you seem very optmistic and not afraid to be creative, which is a more valuble thing than any fine-tuned knowledge in a specific aspect of sigs.
Sure thing mister super *****. Wouldn't want to angry you. I might give you a boner, and who knows where that thing will end. I can tell you've got such a big **** from your very clever insults.