@3dfx: Thinking about this, I may only need your Textures13.db to reproduce this. If you're willing to share your Textures13.db please PM me a download link, many thanks!
Texture Cache Maintenance Utility: Preload your texture cache for optimal UI performance. Remotely manage media libraries. Purge unused artwork to free up space. Find missing media. Configurable QA check to highlight metadata issues. Aid in diagnosis of library and cache related problems.