How do you import videos inon windows movie maker?

Most mac people use a really great piece of software called MPEG Streamclip. You can download this free, open source and very small file from the link below or from the Apple downloads site.
Once you have it installed, open it and drag the files you want to convert in..
Then go to File > Export to QuickTime.
Select the Apple Intermediate Codec.

An excellent MOD converter Mac OS X software to convert MOD files to all popular format files

Choose a folder/desktop location and once it's done, open iMovie, click on File > Import > Movies... and navigate to where the file is.
Create a new event and import into iMovie.
You can also use this software to convert YouTube movies.
I think you shall download some program to finish the sms transfer job for your windows mobile.
Try "SMS Transfer", maybe it could help you.

Tod converter perfectly convert TOD to AVI so that the DV lovers can freely enjoy the recorded time.

Just download and install it to your T-mobile to backup you text messages, and sync the copy file to your pc to manager it.
Then if you want to transfer them to you new HTC mobile, just do as the same as the backup job.
SMS Transfer download link
It can convert almost any the video format to another with high output quality.
This full-featured video converter software also can help you:
1.convert between all mainstream video and audio formats,such as(mp4, mov, m4v, vob, XviD, avi, flv, 3gp, 3g2, mpg,wmv,etc;m4v, mp3, wav, ac3,etc)

M2TS converter is a multifunctional software which helps you convert m2ts files to AVI, MPG, WMV.

2.extract audio tracks from video files to other audio formats
3.support all popular portable multimedia players
4.edit video-Merge, Trim, Crop and Snapshot
Good luck.