Standard instructions are as follows from http://www.sprinklepenny.com/badges/badge - you'll need a logon to see these!
OK so you get stuck at step 1, as you can't upload the script, and your probably not sure where the .gif will go.
Stage 1 - update your blogger template
So ignore the image for now, download the sprinklepenny.js file; this has your SP 'publisherId' which is important to you! open this file and copy the contents.
On your blogger account:-
Goto 'Layout' tab
Then select 'Edit HTML'
goto the bottom of the template code (Just above the < / body > tag and add
the code as instructed in step 2 of the standard instructions.
amending the '&' symbols to '& amp ;' (without the spaces) within the 'script' tags, otherwise your template will NOT save correctly.
Stage 1 complete!
Stage 2 - now add the badge
save these changes, then goto, 'Page Elements' tab
Select 'Add a Gadget'
now add the div, as instructed in the standard instructions step 4, but amend the image to the sprinklepenny version, i.e.
Hopefully now you should be good to go, save and preview your blog again and you should see the sprinklepenny logo