Making movies smaller

1. Convert video to *.avi (DV Format)
2. Use Adobe Premiere, convert to Quicktime, or Mpeg I or II, or Real Media.
3. or try Windows Media Encoder (Which is free.)
4. or MPEG4 encoding used for Sony's PSP.

To make files smaller
You can try
1. Reduce frame rate;
2. Reduce audio bit rate to 128 or 96kbps
3. Reduce frame size, e.g. 320x240
4. Use a mpeg4 encoder

use 3gp converter