How to sprite images on vBulletin

[ulilalbab]

I have really hard work to do this, i want to increase my forum speed loading. Please reference to me, how to sprite images on vBulletin?

I want to use this (https://vborg.vbsupport.ru/showthread.php?t=237025)add on. But my question, this add on is really work?

Thanks.