please check my included PDF file to find a description and all the links you need.
A short description of this workflow:
Start the nationalmap viewer and define your area.
Search for imagery NAIP and save the list as a text file.
Load this textfile as batch into the USGS uget download manager to download the jp2 images.
Copy the text file and modify the content to download also the related XML files with uget.
Convert the jp2 to TIF.
Use aid_create to create the coordinate files for aerofly.
Ok, I know, doesn't sound like an easy workflow for everybody.
This might be the reason, we don't have more USGS coverage.
But I hope for Nick Hods great aeroscenery tool to work on USGS data as well some time.
Btw, screenshots of your missions in WaN are very welcome.