WinMorph is a high performance morphing and warping software. With over a million downloads and much more distributed through PC magazines and their CDROMs, WinMorph enjoys a very wide userbase, have been used in movies, roadshows and other projects.
After installation, go through the WinMorph Guide (in the docs folder of WinMorph installation folder). Please read through the sections specific for Adobe Premiere/Vegas Video/Wax (whichever you use) before starting. In particular, Vegas users make sure to read the tutorial sections on how to use WinMorph with Vegas.