This guide is to demonstrate how to trim, crop, combine and convert all popular video formats to Zune WMV and MP4 step by step.
It includes two parts:
How to convert video to Zune?
How to trim, crop, join and edit video for Zune?
The video formats
Aimersoft Zune Video Converter supports are as follows:
AVI, Divx, XviD, WMV, MPEG, MPG, FLV, DAT, RM, RMVB, MOV, ASF, MP4, M4V
The audio formats supported by
Aimersoft Zune Converter are:
MP3, M4A, WMA
Part 1: How to convert video to Zune?Step1. Please
download Aimersoft Zune Video Converter.
Step2. Install and run Aimersoft Zune Video Converter, click the “Add” button to import your video. Aimersoft Zune Video Converter supports batch conversion, so you can import multiple files at a time. If you experience any problems adding videos by directly clicking the “Add” button, you can click “File -> Add DirectShow files…” to add the video files you want to convert from your computer.

Step3. Then Click the “Format” drop-down list to select the format you prefer for each added file. If you don’t know what formats your device supports, you can just select the format according to the device name.

If you want to customize the output quality, click the “Settings” button to open the Settings panel, where you customize resolution, frame rate, video bit rate, audio bit rate, sample, etc. You also can create a settings profile and save it, and then you won’t have to do the same settings every time. Since Aimersoft Zune Video Converter supports batch conversion, you can use different profiles for each added video files to save your time. If you don’t want to do these settings, the default settings will just work perfectly.

After all things done, click “Start” to start conversion.
Part2. How to crop, edit, join and trim video to Zune?Step1.If you want to cut the edges off your video, you can click the “Crop” button to open the crop panel. There is a frame in dashed line around the movie video; you can drag it to cut off the sides you don’t want. You can also type in values in the four Crop value boxes to crop your video more accurately.

Step2.Zune Video Converter allows you to trim your each video file so you can capture your favorite clips from your video files. After you click “trim” button, you can Preview your the selected video file in the Preview window and estimate what part of the movie you want to convert. Then enter the start time and the end time to the time box in the left side or drag the start/end time bar below the Preview window to set the clips you want to convert, then click “OK’ to start the conversion.

Step3. If you want to join several video files into one file, on the main interface, click the check box “Merge into one file”, and you will only get one output file instead of multiple files.

This Zune video converter provides rich video editing functions, you can click the “Effect” button and customize the brightness, saturation, contrast; volume, etc on the Effect panel. You can even apply special effects such as “Emboss”, “Negative”, “Old film” and “Gray” by selecting a special effect from its drop-down list. If you want to remove the original audio, you can convert your video with 0% volume.
Also you can search more information in the site
http://www.kooksoft.comHope it helps.