[iTunes] OK, gimme a hand with this

[Devil Doll]

>> But when I click onto something else and come back to the song in  question,
>> there¹s no artwork. This seems to be happening with every song I  try to add
>> artwork to. Which makes me think its an iTunes problem, not just  specific
>> files.
>> 
> Try this:
> 
> Get info on the song, go to the artwork tab and either drag the photo
> in or hit the add button.

Yup, tried it. No dice.