MPlayer process eating all of the cpu

Hello, don’t know if any of you are experiencing this,but every time I rollover or click a video file my cpu usage spikes to full usage. Rolling over the video icon several times opens up several mplayer processes which,maxes out the cpu for a good 1-2 minutes. Now I’ve searched and searched the net and all’s I could find was this MPUI, the MPlayer frontend for Windows pertaining to windows…nothing for linux also I’ve configured dolphin to not show mplayer thumb previews for videos but for some reason or another this request is completely ignored. any idea on how to fix this? Thanks