Adding it in blogger is very simple.just editing your template.first of all go to layout and add label gadget.
Also add pintreset pin over image
How to add label with hover effect
Now go to template and edit HTML
press ctrl+f and search this piece of code
paste given code above ]]></b:skin>
Save the template enjoy custom stylish label.visit your blog to confirm that it is working.If you face any problem ask me by comment.