For Internet Explorer ... choose/select Properties ... then, at about the middle ... click Delete ... which then opens another window ... top part ... click on Delete files, found under Temporary Internet Files.
Perhaps next time, some more information will aid 'us' in providing a more specific solution.
Blank as in? Are there little red 'X's' appearing where the image should be? And so on.
You could also try ... rebooting your computer. And by that I mean, turning it right off and then back on. Not just a Restart.
"Think what a better world it would be if we all, the whole world, had cookies and milk about three o'clock every afternoon and then lay down on our blankets for a nap." - Robert Fulghum