Constructive critisism please.

Point out good and bad. Please no "i dont like it" and then leave. Help me get better!

Thanks!

use a better render, one with flow
transparent backgrounds usually suck
chill w/ the border
get a better bg
do tutorials

Is there any tutorial that your going about useing for these?
If there is can I get a link maybe? i like you current signature and i'd love to try that style