Ripping digital copies?

[strich]

I just picked up a copy of Bug's Life today (phenomenal) and it came with the second disk that had the digital copy. This was my first digital copy of a movie, so i wasn't aware that it copied it into itunes instead of just allowing me to transfer a copy of the film to my drive.

My problem is that I've recently ripped all of my DVDs to a UPNP external drive to attach to laptops or my mac. Basically, have the movie collection wherever I go. But the digital copy shows as a .app file and won't let me rip it. Is there any way for me to transfer a copy of the film to my external drive with all the others?

It's a purchased, legitimate copy.

thanks