I have heard it takes around 8-12 seconds, with just grey showing.
You've got 24 images, each about 40KB, which comes to about 1000 KB total. Preloading can't do anything to change the fact that it's going to take 8-12 seconds to download a megabyte on slower DSL connections.
You've got 24 images, each about 40KB, which comes to about 1000 KB total. Preloading can't do anything to change the fact that it's going to take 8-12 seconds to download a megabyte on slower DSL connections.