Both
Anilos.com and
Nubiles.net have thousands of 3-4 minute long hosted or downloadable FLVs, MPEGs, & MP4s.
Customizable dump exporter tool or customizable XML feed.
Each clip has matching title, desc, tags, jpg, model names, porn star name and duration. Filter by niche option also available.
Drop me a line & I can help you get started.