@stoverpd
1. Hard. (Considering I'm not a programmer).
2. GRT thanks you!

@MartinH81
1. As I've write in the user manual, if you modify the roof position (including elevation) you have simply to regenerate the roof.
The plugin will do the rest for you (align the roof windows).
To do this just select the generated roof and use the plugin.

2. I don't know if I've correctly understood your question. A picture or a demo file could be more explicitly for me.
The roof windows library make holes ONLY in roofs generated with this plugin. For other purposes you will have to use other objects.
For some dormers I've write a tutorial here .
Sometimes you will have to use multiple roofs as parts of the final roof.