http://www.flightzone.co.za/media/harvards.wmv

I don't think this is photoshopped.....

Awesome. Thanks for that. You just have to look at how well that formation is flown, especially about 1min55sec in, to know those guys know what they're doing!
I knew a guy who used to waterski his 185 the same way, on one of our southern lakes. Reckoned it would be actually quite difficult to push the wheels under.

It appears as if the water is much the same as concrete at the speed they are flying, and they are doing a wheelie landing and maintaining it with power and (slight) forward stick. We don't vast expanses of unused, smooth, flat concrete but if we did it would also look impressive.