How to create any Clickable link on a Photo ??

I know how to make any photo clickable but I need to create just one link on photo clickable ? Image mapping method can do this type of job but in this case in need to upload it on other's server so it can't be useful to me.....so any suggestion to make it possible??

 

<a href="example.com" target="_blank" ><img src="example\source\img.jpg" title="example" /></a>