the one when you're on the airship b4 fighting the flying guardian dragon is funny, when wakka asks...
<img src="/images/graemlins/mad.gif" alt="" /> "We have to pay?! If we die its your [censored] too y'know?"
and Rin smugly says...
<img src="/images/graemlins/tongue.gif" alt="" /> "I have faith in your victory."
Ialso like when you fight a huge monster in the caves, bring Wakka on..

"I wonder how many steaks you can get outta that one!"