New images of Battle Los Angeles' evil extraterrestrial attackers are out — including a gory money-shot of a giant alien autopsy! Get a a better look at the weapons and gooey innards from this "Black Hawk Down/alien invasion" flick. Spoilers!

The new issue of Famous Monsters of Filmland (#254) has a fantastic "making of the monster" article, where monster designer and concept artists such as TyRuben Ellingson explain all the work that went into creating Battle LA's beasts. Thanks to one io9er, we've got a bunch of scans from the article right here, and a few close up shots of the aliens.

Thanks for the help Nick!

Here is the full spread at the start of the article.