i downloaded the video file for example "constentine" with avi format. i try to run with that by subedit player and it isnt works. there is a problem and there is a comunicate: wrong video format, video format not usefull: avitag: divx
please help me

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Try reading pinned topic for info about codecs. You will likely need DIVx codec to play it:
http://www.free-codecs.com/download/DivX_Pro.htm

Also, GSPOT is good tool to have for identifying codecs that movies use:
http://www.free-codecs.com/download/GSpot.htm