Comparison polls can be started in the section you want to start them in on the forum. Scroll down to the bottom. And there will be a button to start a comparison thread. Be sure you are in a section of the forum. For example this is the Customer Service section of the forum.
Widgets are made when you are under your affiliate desktop and not the contributor desktop. Once you change that, you can use the grab it buttons to grab your items. Then you will want to click on the desktop button. After that, you will see add a new widget. It's all easy as pie from there.