Tools to Import WMV Files into iMovie
One solution might be to dispense with iMovie, and use a professional video editing application. Our list of the Top 10 Video Editing Software Applications should provide you with some ideas.
If you're staying with iMovie, however, the most popular utility for this task is a piece of software called Flip4Mac. Available from www.flip4mac.com, the Flip4Mac WMV download includes a set of tools available for a range of prices.
If your aim is simply to playback WMV files, then forget about iMovie and use QuickTime – the WMV Player adds the required codecs to QuickTime and Safari.
WMV Player Pro meanwhile is the best option for converting WMV files into QuickTime formats, as well as allowing you to view Windows Media content on an iPod.
Your interest might be in the other direction, however, and WMV Studio provides a means to import and export video content to WMV9 format, effectively allowing you to convert MOV files to WMV. There are several options of WMV Studio, each with increasingly advanced features.