I've heard the answer to #5! The man was on the phone, explaining to someone that the fish he'd caught was "this big" - he flung out his arms to either side, creating the two holes in the glass and slitting his wrists at the same time.

Ta-da!

Wait a minute, did I say I'd heard that? I meant, I figured it out. Yeah, that's it....

I gots another one:

6. There is a field strewn with clothing spread out in a long trail. At the end of the trail is a space; the next "item" in the field is a naked man, clutching half a matchstick. What happened?

Let us go in peace to love and serve the board.