Article: http://s7.addthis.com/static/btn/sm-plus.gif (also shown in the image below). Likewise, any image in the code can be changed by replacing any given URL with your own.
What is a summary of what this article is about?
Select from a large collection of third-party, custom icons by clicking here. Insert the URL where your desired image is located into the code, replacing that over the following URL: