A Quick way to legally grab 600x600 Artwork using iTunes
 

Requirements

iTunes for Windows - http://www.itunes.com/
iTunes Store Account - you can easily register for an account using your CC for free. You only need your CC for authentication. Otherwise, you can use http://www.tunecore.com/freealbum for a free gift which will create your an iTunes Store Account
iTSfv - http://itsfv.sourceforge.net/

Install iTunes and iTSfv
Load iTSfv

Automatic method

Browse an album in iTunes Store
Click on the first track in the album

In iTSfv, using Selected Track menu, click Export iTunes Store track Artwork




Manual method

In iTSfv, using Tools menu, click iTunes Artwork Grabber



It will do its thing and try prompting you to save the Artwork

I tried it in a few albums and seems to work well. :)

Enjoy,
McoreD

It seems like the way to get artwork easily downloaded, I'll try it and see how my mind wraps around it.