For several months, I have seen users complaining that the second page of the Google image search results are blank. For the first time ever, I have been able to reproduce it.
Here is a video:
As you can see, after refreshing the page, I was able to knock some sense into Google and get the other images to load. But for some reason, the first time I wanted more image results, the results were blank.
Forum discussion at Google Web Search Help.