First -
A ferry pilot (with not much Lake experience) was preparing to ferry a Lake Renegade. He primed the engine, with the throttle full open, and then forgot to pull the throttle back before he started it. When it started, and then went to full power, he couldn't find the throttle (above you head in a Lake). He did find the prop control (which he thought was the throttle), and pulled it all the way back, but that didn't help. The airplane headed across the ramp, picking up speed. Fortunately, there was a tiedown ramp full of airplanes right infront of him to help bring him to a stop. After the airplane spun around 5 or 6 times, badly damaging three other airplanes, he finally found the mixture control and shut it down. The happy ending to the story is that nobody got hurt, and the maintenance shop had about a years worth of work to keep them busy!
Second
A new Falcon 900EX pulles up to an FBO in AZ. After the crew had left for the hotel, the lineboy decides to move the airplane. He backed it up a slight incline, and then used a small set of chocks on the nosewheel. Just after he had unhooked the towbar and backed up a bit, the airplane jumped the chock and rolled into the tug. The tug scraped along the right side of the fuselage, and then the right wing sheared off the steering wheel/seat of the tug. It came to rest with the tug firmly wedged under the right wing. The airplane wasn't flyable, so they fixed it there. A new right wing was flown in from France. Yes, I'm sure about that, they flew a 900EX wing from France to AZ! Anyone care to guess what kind of aircraft can carry a complete 900EX wing?