This is a painting from a photo I found online. Actually, I just took the fist photo I saw just to practice. I do like the result. I know I overworked belltower. And for some reason granulation in the sky isn't so noticeable in person. Paper wasnt stretched, so it created pools couple times.

This piece I made to kinda test if I deserve good expensive paper. I feel wierdly guilty spending so much money on a hobby, and the thought that if I get it I will ruin most of sheets in bad attemps makes me feel horrible. (Sorry for the weird rumbling).

What would you say? Is there any begginers/amateur mistakes in this piece?