So first you have your photo:
As you can see, there is nothing written on this photo. Now, to put a watermark on it, you just go into a photo editor. I use PicMonkey.
What you do now, is you write your blog name (Or blog initials) wherever you feel is right for you.
I prefer to have mine sort of blended into the photo.
(I apologize for the quality of this photo MOL!)
Now we need to add a copyright symbol. You can find on on the internet and sometimes right in your photo editor, like mine.
You do not HAVE to put the copyright symbol, but I prefer to.
Anyways, that is how to add a watermark, in case you did not know. :)
Siamese Kisses from Mikko