I'm not really good. I need tips and comments please!

1.

Clipping mask
2.

Messi

3.

Venom

4.

Vrouwelijk

5.

Littlebigplanet

6.

Justin Bieber

7.

Spidermantje

8.

Space

9.

Venoms

10.

Biljoen

11.

Perrytje11

12.

3DKASPER