How to fix a slow loading of Textures in Second Life?
Special on Mac and with the Megapahit-viewer?
Check out the hint in this video:
https://www.youtube.com/watch?v=T0391Vfu4ek&list=PL0Vzk1yd9q_PiuWF9WxkGkNAxI1paLhfw&index=1
(And not forget my comparison video of different viewers, too.)