In order to protect your images with watermarking photos, you should first be sure you have software that allows you to make
watermark phoros. Some popular photo editing softwares, like Adobe Photoshop, already feature watermarking. There are other software out there, some cheap , that just do watermarking and even do batch watermarking photos. If you already have Photoshop, you can use it create watermark to photos. Otherwise, there are some other watermark software, such as:
Aoao Watermark Software.