It should be pretty self-explanatory. You can do dialogues as well as one-liners. If you have any questions, PM me.
Indy: Does fishnet look good on me, Sallah?
Indy: Oh, Mutt, you wore my favorite blouse.
Indy: Steroids gave me breasts, so I did it the old-fashioned way and worked out in a gym.
Marion: Indy, I'm pregnant with Marcus Brody's baby.
Indy: But he's dead!
Marion: Yeah, I know...
Mutt: Mom, this pantyhose is too tight!
Mutt: Mom, Dad, I think I have split personality disorder. At night, I think I'm James Bond.
Sallah: This fez increased my sex appeal. Buy yours for just $19.95!
(I'd buy it.)
Sallah: Indy, why are you wearing a bra?
Sallah: Bus driver? I need to go to Santa Monica Boulevard. What do you mean I'm in Indianapolis?
Sallah: Hello, I'd like to see the Colosseum. Yes, I'm quite sure it's in Cambridge!
Indy: Do you think we'll ever find out who stole the cookie from the cookie jar?
Sallah: I'm actually white in real life.
(If you don't get the joke, look up a picture of John Rhys-Davies.)
Irina: Don't toy with me, Jones, what is the potato of all this?
Spielberg: Point. What is the point of all this?
Irina: I don't know, you tell me.
Indy: He- it says it wants to give us a gift. A big gift.
Irina: I want Orlando Bloom!
Irina: I want the world's largest ball of twine!
Irina: I want Indy's fedora!
Irina: I really don't get why Stalin called me his fair-haired girl when I'm a brunette.
Irina: No, no, I'm from Australia, not Eastern Ukraine. I certainly fooled Ukrainians, though.
Irina: Razom nas bahato, nas ne podolaty!
(For those that don't get it...
Irina: Screw Russia, I'm going to join the U.S. Army.