Você pode baixar este aplicativo chamado Bulkr :
Features:
- Backup your entire photostream with a click of a button
- Download your sets (a folder is created for every set)
- Download photos in 4 different sizes
- Download title, tags, description (write to photo EXIF)
- Preview images before download
- Resume download if connection breaks
- Download upto 500 photos in batches from:
→ Your photostream (also search within your photostream)
→ Your favorites
→ Any Flickr group
→ Explored photos
→ Flickr search (only Creative Commons licensed photos)
→ Any user's photostream (only if user has enabled download)