The Flickr iOS library by David Gileadi offers to choose images from social media and photo libraries with flickr API. In his work, the author provides instructions to use the picker setting up Facebook, Dropbox, and Instagram accounts. Developers can also choose to create their own image source by building their own picker. This library is written in Objective-C.
Stories of record labels sicking their legal teams on individuals aren't new. However, it's worth noting the skirmish between label-owned Vevo and Muziic because it is unclear if the third-party site did anything wrong.