From the Flickr Blog:
This version of the Flickr iOS app [3.2] is optimized to take full advantage of the larger screen on iPad.
On iPad, Flickr can now display images in high resolution by pushing up to 3,000,000 pixels per photo.
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The new Flickr for iPad app will be available globally in eleven languages.
Read Complete Blog Post
Direct to Flickr App in iTunes App Store