When you shoot product, like this, there is something to watch for.
The original is not quite so clean. Especially when using a flash, macro photos always show dust. Look at the original (click to see large):
All that dust has to be removed. A clean product photo never starts out as a clean photo.
Here’s a few more shots:
The thing to note is that those are not clean yet—yet they have each already had the benefit of half an hour of removing little dust spots. If you ever shoot product, budget that time!
And you can do it: product photography is one of the many things I can teach you: see http://learning.photography for an overview.