You didn't draw any of them
You used sprites to make an art picture, if you really want to make an art submission, make sure you draw everything by yourself.
So DO NOT use sprites for art, this is not Flash Portal! This is Art Portal.
They were simply drawn, maybe add more details on it, and better quality in thr picture. It's probably scribbled with a pen and crayons.
pencils PENCILS and pens
But it doesn't look much of a cactus. On the top of it, I think there was a bottle cap.
Anyway, it's a good start!
the top is the flower. most cactuses have them.
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