There's also Lost Horizon (3.5 is way too low a rating for it on this site
)... the jungle in it is only a small part of the game though... but the game is definitely awesome. Especially if you like the Secret Files games.
http://www.adventuregamers.com/screenshot.php?id=13839
If you have a PS3, the Uncharted games have some sweet jungle too... but they're not adventures.
Oh and there's also this Treasure Island
http://www.adventuregamers.com/article/id,1131 not to be confused with Destination: Treasure Island. I've never played it though so I can't vouch for it.