Setting Preferences for Equations

to embed in a blog or wiki post
Open Math Type
Preferences > Translators > Graphics
mathtype1.png

Exporting an equation to be posted on a blog or wiki

Create your equation
File> Save as
mathtype2.png
Create an assignment name that makes sense
Choose where to save (a folder in your documents is a good idea
Choose Save as Type as Graphics Interchange Format
Click Save