1. start IM FLV Thumbnail, and open a FLV video from disk,
2. choose converting option, the whole video, or pieces, or from start point to end point,
3. click GENERATE button to create thumbnails from video,
1. start IM FLV Thumbnail, and open a FLV video from disk,
2. choose converting option, the whole video, or pieces, or from start point to end point,
3. click GENERATE button to create thumbnails from video,