Crawlers Extracting Images through website source codes.
*Social Networking Sites
Spreading of your Images through Tumblr,Pinterest, and Weheartit with out your permission or credit at the bottom.
Using Css Layers to manipulate your work,crop out your watermark, and change part the coloring or distorting of your image.
Fake Social Profiles and Fake Websites online with no response or contact information, hosting your image.
A person giving credit to his self for your work. Selling your work online as theirs.
International visitors saving your photos and printing them to different forms of paintings and selling them.
Someone copyrighting your image before you do.