Hello, I am going to post a bunch of jungle seeds for 1.2.3. If you find some more please put it in the comments! I'll give credit. So, here are some I know:
Also don't put the quotes when using!!!

1. "it" Spawns you in a fairly large jungle
2. "Anvile" Turn to the right and you'll see the jungle
3. "FUS RO DAH!!!" Decent Jungle
(Adding More!)