Konata, art critics

My first post here and I am actually quite honored for that. This is my latest drawing and one of the few that I did colored.
For this one I used for the first time SAI and it proved to be quite good for coloring, especially mangaanime ones compared to some other ones. Not sure about Photoshop, cause I still don’t have that one.

Anyways, this took me quite a while to do. Drawing it not that much (though thinking how to draw Konata and which pose took some time, but I liked how I added the comp part there :P), but coloring… oh yeah.
So yeah, I want to hear your guys opinions.^^ Special note on the advices on signature, could you help me a little by that, cause I am not really sure how or where or in which way to put them on fan arts and which one is the best.
Thanks in advance guys! :)

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