Twitter Search for Flickr photographs
A new feature, which will allow users to post Flicker photos on their Twitter accounts, has just been unleashed by Yahoo.
You need to enable Flicker as an approved application for this new Twitter2Flicker feature with which you can tweet under your username.
After doing this, you have to click on the link above the photo in which you are given an option to tweet it. This tweet appears in the shortened URL of flic.kr.