If you don't want others to use your photos and images without your permission, you can create a so called custom watermark with your name or any other text you want.
Sometimes we don't want others to know about our newest relationship gains or losses. This is the way your friends and other Facebook users won't even notice it when you change it.
Pixlr is a free and probably the best web based image editor. I will show you how to open and and resize an image, I'm sure you will be impressed how well the web app actually works.
The circular grass creations, that look like something out of a different planet scattered throughout the Namib Desert have long been one of the mysteries of science.