Categories Random Wow it takes forever to “Generate Thumbnails” in iMovie. Post author By shaunandrews Post date May 1, 2008 No Comments on Wow it takes forever to “Generate Thumbnails” in iMovie. Wow it takes forever to “Generate Thumbnails” in iMovie. ← Totally not accomplishing anything so far… → Drinking water from a glass bottle somehow tastes better than a plastic bottle. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.