I have a lagging problem with my platform game

Hi,

[color=black][font=Verdana]I am currently programming an art based platform game, and I have a lagging problem that I need to fix. For example, when the map scrolls, the animation for every movieClip lags. If anyone has any suggestions for fixing this problem, all help would be [/font][/color][color=black][font=Times New Roman][size=3]appreciated[/size][/font][/color][color=black][font=Verdana]. Thanks. <?xml:namespace prefix = o ns = “urn:schemas-microsoft-com:office:office” /><o:p></o:p>[/font][/color]

peace