The hair is messed up, looks like a freak instead of a fire guy.
QuoteDo take note I was never good with fire so if you can edit and make it better please do and post the results.
Never say that, if you keep going like this you'll never improve.
To sum it up, check out the Fire Elemental RTP sprite, shows a good example of a fire like sprite. Should help you out. In other news, you've removed all shading, you only have two color bases which is bad. But, don't give up on it.