TJxSpinelli recess sketch

i drew this 4 spinellia nd TJ when i was bred while watching kickball. since i got my new pencil my draiwngs havnt been as good. so im switching bak 2 my old pencil =_=. it was so bad an dirty i had 2 use paint.NET 2 modify it,
idk how 2 amke my sketches look clean like the rest of u, plz help.
plus im left handed so everything smears =_=