my first photoshop coloring

I seen various other posts on digital coloring, and i never really took the time to try it, so i just found this out line of a frog, and i decided to color.. the out line of it, should have been less ruff.
check it out.
http://xero.webimpulse.net/randomimages/1stdigitalcoloring.jpg















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xero.webimpulse.net

it need some work, the outline is much to large and i think way to scribbly and the coloring im not really sure where the light source is coming from.

yeah i found it on google, it was originally a scanned picture from a coloring book thats why the edges, i understand the issue witht he light source. ty