BRETTD  Buggy (crashes regularly), annoying (triggers system beeps after almost every operation), horrendous user interface, slow (displays a giant "chicklets" display while searching for album artwork) and last but not least...doesn't do what it is supposed to- the searches are too broad (a search on "artist and album" for BB King's Anthology turned up an album cover for Boys 2 Men, for example), it never actually adds the artwork to the files, and it does a search on EACH FILE IN AN ALBUM.  
(Version 0.6)

L-I-N-K  It works for many, many songs - easy. And it’s free! Thank you for the good job. Keep on adding more sources in the future and think about a easy way to find sonys without artwork. I didn’t figure out, how to do that.

@JOHN179 You ca easily set Corripio to ask before adding artwork in the general preferences  
(Version 0.6)

JOHN179  Great idea, but it has crashed on me several times.

Additionally, the default apparently is to NOT ask me to add artwork when there is no conflict. This caused problems as it happily assigned similar, but wrong album names in a flurry that I couldn't stop. I figured out to change the default, but I think it should be other way around for new users.

Since itunes lets me add any image file as my artwork, I was able to download images from google. I used corripio as a guide to know which albums had no artwork, but used itunes to add the artwork.

I have a some not so unusual albums which did not come up on the corripio search, but which I could easily find myself through google or amazon.

Like I said, great idea, just needs some greater precision, or better access to wider pool of art. Not crashing would be nice. As it was, I had to go back and redo several albums that had been incorrectly arted by corripio manually in itunes.  
(Version 0.6)

HOBY  It's great.. but very crash-prone.

It could use some interface asynchronicity while searching and getting artwork. It doesn't tell you what it's doing until it's done, leaving you the option of feeling trapped or hoping to click the Cancel button.. and not knowing what that will actually cancel.. or what will happen next.

Also, a fire-and-forget mode would be great for having it see what it can find throughout your entire library, unattended.

Otherwise, good work so far.  
(Version 0.5.1)

WHIT_G  I concur, not ready for prime time. I downloaded this hoping to augment iTunes 7's laughably incapable cover art fetching ability, but this is even worse. Major problems that I'm seeing in the first five minutes include:

1. Doesn't appear to handle albums with numbers in the name very well. I just had it search for the self-titled 311 album (with '311' appearing in the artist and album title tags) and it asked me to choose from what looked like every album that 311 ever made, plus it wanted me to choose the artwork for each individual track instead of applying it to all tracks on that album at once. Same problem with the artist/album '33hz'.

2. Doesn't appear to be able to cancel a batch download operation - I had to force quit it when I realized how long it was going to take to fetch artwork for my entire library.

The main problem is speed, though. I have 8000+ tracks in my library, and I think it would take days to fetch artwork for all of them using this app.  
(Version 0.5.1)

DREWLING390  This program has great potential. Once the intial bugs are worked out it will be great for major music organization projects. Best of all, it's free! Keep an eye on this one.  
(Version 0.5.1)

HENRIKTEKNIK  This is for mainstream music only.

I wish someone would make a tool to gather covert art, etc. from Discogs.com... :/  
(Version 0.5.1)

EUSKIR  Honesty above all.

Right now, since the yesterday update, it's working fine. A little slow, yes, but was able to find a strange cover, not quite popular.  
(Version 0.5.1)

ADFASDFASDFASDF  Has never worked with me. "Searching - Loading - Searching - Loading -" ad infinitum.  
(Version 0.5.1)

MAN4MAC  Very impressive software. Basically does what all those shareware's do, only it does it for free. I would highly recomend this software  
(Version 0.5)