Google Image Search can be limited by:
- content type: news content, faces, photo content, clip art, line drawings
- size
- filetypes: JPG, GIF, PNG, BMP
- coloration: black & white, grayscale, full color
Google Video Search can be limited by:
- language
- duration: short (<4 minutes), medium (4-20 minutes), long (>20 minutes)
- date: from today, from the past week, from the past month
- domain (include/exclude)
- subtitles (only close captioned videos)
- playable on Google Video
- file types: ASF, AVI, FLV, M4V, MOV, MP4, MPG, WMV
Picasa Web Albums - explore public photos