WyzerMeBadge from the makers of wyzerme.com. Loads your WyzerMe profile picture and links to your expert profile on wyzerme.com.
Yes, the user name you use on wyzerme.com is used by the widget to create a link to your WyzerMe Expert Profile
Yes, fill in the box under the label "(optional) The name you use on this blog:" with the name you use on the blog. Note that space is limited in the picture badge, there is space for approx 12 characters.
No, this is not possible.
This is currently not supported. The WyzerMeBadge was specifically designed to be loaded into the sidebar, so that it appears on every page and gives your readers the possibility to consult you.