Flickr for the iPhone enables photo-sharing on the go – from your phone, to the world. Shoot, upload and share photos & videos: Geo-tag your photos or add them to a set. View your photos by set and tag.
This app has just been updated, see Whats New below. This is a free app and you can download it here.
★ Safe search enabled – flagged photos will only be displayed on request – just like flickr.com
★ Photo uploads are now timestamped with the timezone set on your device
★ Better handling of location data
★ Tap photo to hide navigation in the fullscreen viewer
★ Other bug fixes