Watermarking Images – Watermark Pictures Online
If you are uploading pictures which will be available to the general public, it is a good idea to embed a digital watermark on your image to ensure that it is not misused.
If you thought, you need to be a an Adobe Photoshop expert to achieve this, here are some options that anyone can employ without requiring the services of Photoshop! See the image Below to Get an idea about Watermarking. So make sure when you upload your Photos and Images Online they are Watermarked with your Credits. Also Read : Eleven Best free Photo/Pics Editors – Which To Choose ?? 
PicMarkr lets you to add custom watermark (image or text) to your images online and free.It is useful when you need to protect your copyrights or if you want to add comments to your photos.
Watermark Tool is the free online watermarking software that allows you to quickly and easily protect your images with a visible watermark. With the many watermarking options available, you’re able to personalize your images in a variety of ways – including text size, color, and position.
Here flickr.com/photos/yullya has been watermarked. 
