Gradient Wipe for Lower 3rds

[Erik Mickelson]

Must use TIFF or JPEG in order for the built in gradient wipe to work consistently for ins and outs.

Mac no longer supports PNG files as of a few generations of OSX ago.

MacPro 2.26 octo, NVidia GT120, 16GB ram, 4TB SATA Raid that now works in SL, SLeopard 10.6.6, FCPStudio 3, QT 7, Kone LHe