This could be a fluke on my site, but I noticed the pages that contain videos hosted my me (not youtube) are 100% indexed. These pages do contain their own sitemap, so I can see the submitted vs. indexed.

This may confirm that Google does indeed give a higher degree of importance to pages that have original videos.

My other pages have only 60-70% (URLS SUBMITTED vs. INDEXED) ratio.

How are you guys doing? I've heard of webmasters have nearly 100% indexed pages, but how do they do it?