[Ningnong]

I think you are using something like

if (playerenters){
do all this stuff;
}

well that only occurs once, you need to have a timeout loop to keep checking the players mp

example:

//#CLIENTSIDE
if (playerenters || timeout){
changeimgpart 402,0,0,int(playermp),25; //<your script\/
showimg 402,mptest.gif,screenwidth-550,screenheight-400;
timeout = .1;
}