Here's the first pics I've seen, there's been enough talk about them, you knew they were there somewhere.
And I'd heard a few things about the photographer who walks into the water and drowns. According to this map, it looks like you can find her just west of Los Santos.
Another GTA:SA Rumor thread, and the Legendary Map from the Lil' Probe Inn.
There's quite a few interesting glitches out there. GTA-SanAndreas.com has a nice page devoted to these.