How to prepare frog for eat?

If I just boil the Mr. Froggie for few hour, will all of him be ready for eat except only the bone ? Or does skin or intestine have a toxin that make human sick or make the meal bad taste ? These are no poison frog, only large bullfrog that look like this picture: a href="http://www.biographixmedia.com/biology/frog-anatomy.jpg" rel="nofollow"http://www.biographixmedia.com/biology/f…/a