Yeah, overkill on the blur. Use it sparingly, after you've done everything manually. (Only in backgrounds where you need to achieve depth, not on the whole pic. it doesnt fix stuff you dont like, it just blurs the whole thing) Dont concentrate so much on drawing the light itself, but instead how the light plays ON THE OBJECT and the shadows it casts. You are getting the idea, tho. Take a little more time doing your picture, study the subject you are doing carefully for details.