Recently I got a Sansa Fuze as a birthday present. It is really nice that can play music and movie. So I will give you a brief introduction of my Sansa Fuze.
The Sansa Fuze is a portable media player developed by SanDisk, and released on March 8, 2008. The Fuze is available in three different Flash memory capacities: 2 GB, 4 GB, and 8 GB and mine is 8GB. Storage is expandable via a microSDHC slot. It has a 1.9 inch TFT LCD display with a resolution of 220 by 176 pixels. The Fuze supports MP3, WAV, WMA audio file, and can display both pictures and videos, AVI, MPEG4, WMV, QuickTime, MPEG2, ASF can be played on it and you can also watch picture of BMP, JPEG, TIFF, GIF on it.
Here I will share with you how I put my own videos on my Sansa.
(Not only Sansa Fuze, but also other Sansa player that can play video)

Step 1. Download and install Aiseesoft Total Video Converter

Step 2. Load Video
You can load your video by clicking “Add File” button or clicking “File” button, you can choose “add file” on a drop-down list.

Step 3. Output format and Settings
From the “Profile” drop-down list you can find AVI, MPEG4, WMV and other formats that can be played on Sansa.

To have your own video settings you can click “settings” button.

After doing the 3 steps above, you can click “start” button to start conversion.
Tips:
1. Trim
There are 3 ways that you can trim your video.
a. You can drag the buttons(1) to set the start and end time
b. You can preview the video first and when you want to start trim click the left one of the pair buttons(2) when you want to end click the right one.
c. You can set the exact start and end time on the right side of the pop-up window.

2. Crop
There are 3 ways that you can crop your video.
a. We provide 7 modes on our “Crop Mode”(1)
b. You can set your own mode on the right side of the pop-up window(2)
c. You can drag frame to set your own crop mode(3)

3. Snapshot and merge into one file
If you like the current image of the video you can use the “Snapshot” option. Just click the “Snapshot” button the image will be saved and you can click the “Open” button next to “Snapshot” button to open your picture.
If you want to make several files output as one you can choose “Merge into one file”.