I don't think you can upload to iTunes. But, you can upload your videos to sites like YouTube, Google Videos, Clipser, etc.
Yes. Youtube accepts videos created with Windows Live Movie Maker. There is even a feature in the program that allows you to Publish to Youtube automatically.
No. You can't use Windows DVD Maker to upload videos with. But you can upload videos to YouTube using Windows Live Movie Maker.
There are several ways you can share your Windows Movie Maker videos with others. I suggest watching the video tutorial at the URL posted below:http://sclipo.com/videos/view/share-anywhere-easily-with-windows-movie-maker-2
No. Windows DVD Maker limits up to 99 videos and 99 movie files get imported that way you can't put 100 videos on it
NEWS
iTunes video formats are not compatible with Windows Movie Maker. You will need to convert the video to one of the following file name extensions (formats) before you can import the video into the program:.asf, .avi, dvr-ms, .m1v, .mp2, .mp2v, .mpe, .mpeg, .mpg, .mpv2, .wm, .wmv
You can't do that in Windows Movie Maker, Live Movie Maker or any other version.
save them then use windows DVD maker to make the DVD
No. Unfortunately you can't overlap anything on Windows Live Movie Maker.
You need to convert Quicktime videos to a format compatible with Windows Movie Maker.
Be sure it is in a format it will accept like WMA or MP3 or WAV, AACS (itunes) wont work, nor will OGGs work.