Part of page images download to machine but didn’t display.
I saw couple of question about this issue. All the cases that I saw were connected someway to memory problems on the machine. Here's a list of possible solutions to that issue:
1) The most common scenario is station that running Development tool, IIS, asp.net (aspnet_wp / w3wp) and optionally dllhost.exe hosting application classes. If you will close dev tool , move asp.net and IIS to other machine (running the server side application from other machine) and just operate your browser you probably see all of page images.
2) If you working from machine that just running IE and meet this issue, simply increase IE internet temporary files cache size. Believe me it works.