You can find a wealth of information and help on Adobe products, the most prolific producer of image manipulation software.
BAPLA is the UK trade association for picture libraries and the largest organisation of its kind in the world. With over 400 member companies, it represents the vast majority of commercial picture libraries and agencies in the UK.
Digital Media Licensing Association (DMLA), formerly known as The Picture Agency Council of America (PACA) aims to develop uniform business practices within the stock photography industry, based upon ethical standards established by the Association.
The aim of CEPIC is to be a united voice for the picture library and agency associations of Europe in all matters pertaining to the photographic industry.