For people have trouble getting mplayer to work heres a step by step:

http://www5.mplayerhq.hu/MPlayer/rel...32-1.0pre8.zip

Download mplayer from above and unzip it. Drag the unzipped folder into "Program Files" on your main drive. In that mplayer folder place the video file you want to encode and make sure the video file name is only one word. Now go to Start>Run and type cmd, hit enter. In the DOS prompt type "cd\" hit enter. Now type "cd\program files\mplayer".

^Everything above without "these"

Finally open up notepad and copy and paste:
mencoder -vf scale=240:180 <input file> -o temp.avi -of avi -ovc lavc -oac lavc -lavcopts vcodec=mpeg4:vbitrate=230:acodec=mp3:abitrate=64

Replace <input file> in the above string with the exact name of the video file being encoded. Hit enter one last time and the video will be encoded and renamed temp.avi - This file will apear in the mplayer folder that you originally put in "Program Files"

Hope that helps.....