To setup this tool in your blog Download this notepad file
and simply paste da code and Save
But still , If you want to protect your images you can add a Watermark(logo) of your sitename but theres nothing we can do about blog post
Now check your blog after adding and saving Template , you wont be able to select content , just links !
And when you select all with CONTROL + A and then copy and paste , the thing pasted will be just links , archive titles and not full blog posts or images ,