Determine layout of forms. The best way to understand what effect the options have is to try them and see the changes on the example page on the right.
Whether or not to add a screenshot.
Whether or not to add hotspots to the screenshot. One of the really nice features of Help Generator is that it can add hotspots to the images. (A hotspots is a link area which shows as a 'hand' when your cursor hovers over it. This gives a very user friendly way to move to the text describing a control. If for some reason you don't want hotspots you can remove the check.
Start forms pages with a list showing what controls are present on the form.
Make a seperate section for each control on a form.