One flaw I can say most of them have though is 1x1 pixels. For NPCs, you should probably use NPC text codes: viewtopic.php?f=35&t=425
Don't worry about not being good at the start; I wasn't either. It's easy to improve though, so don't worry about this taking time to improve.
MurphMario,I Will Improve It In A future
Maybe In V0.0.1.9 But
for now its not the best but yeah.Also im not into recolouring things
to make it look like from another game Like The SMB 3 Starcoins