title: How to set up itunesartwork for ad-hoc distribution?
body: <p>We're effecting in-house testing, 
  Everything is done, working, archiving.
  But when we achieve the app, making an .ipa, we don't see itunes cover, even though we have an image named iTunesArtwork without extensions like .png. Also when our boss wants to install the .ipa with iTunes he doesn't have cover as well.
  What do you think?
  thanks</p>