Help about my new Super Marioish game!

:mario: I did a game that the character jumps and walks. Background moves . However my drawings are mot really good :frowning: can you give me some tips about it. Also I need your tips about what should I do next?:crying:
Here is my swf
My walking effects are poor what should i do to improve them .
:crazy:I tried lots of ways to make it better but i couldn’t do.
Do you know any site that has that type of game? I should see some examples. Can you give me some sites that i can find tutorials
I am waiting for your answers:ear:
Also I can give you my fla file