You may try this AVS Video Editor which has many great functions. The features in the official site are below:
1. Direct Transfer to iPod, PSP, Mobiles and Other Portable Players
2. Supports Virtually ALL Video Formats
3. Burn Movie DVDs
4. Capture and Edit Video from External Devices
5. Edit Video and Enhance Your Movies
6. Create Slide Shows
7. Make Perfect Audio for Your Video Editing Tasks
8. Scene Detection
9. Convenient Video Editing Tools and Interface
There is the free download link:
http://www.avs4you.com/AVS-Video-Editor.aspx?sct=aff&ct=regnow&cid=189508
Also, you can use Photoshop which may be difficult for us:
http://www.adobe.com