Unknown Ceiling

Hi everyone!I’m trying to improve and this time I’ve inked the picture and the effect it’s much better! (even if the result is still poor XD)I hope to receive some suggestion cause I really want to improve! 

Hi everyone!
I’m trying to improve and this time I’ve inked the picture and the effect it’s much better! (even if the result is still poor XD)
I hope to receive some suggestion cause I really want to improve! 

My last coloring excercise… I hope that I’ve got my skill improved enough! 

My last coloring excercise… I hope that I’ve got my skill improved enough!
 

Coloring attempt number one!
Any suggestion?

Coloring attempt number one!

Any suggestion?