I can't believe I have never saluted the magic of this great artist before. He was all over mainstream comics like a rash in the 1990s, either drawing everything or with everyone being forced to draw like him. This may explain why I gave up on superhero comics.
Anyway, over on the internet, someone has got together a selection of his greatest pictures: The 40 Worst Rob Liefeld Drawings. See them and be unashamed.
The terrifying Liefeld picture of Captain America does not come from that website, but from from this post on the blog Grotesque Anatomy