After absorbing information from three distinct sources and going through a couple of errors, I've made myself a pair of whoopie slings with fixed eye loops using a locked brummel.
I was a little disappointed that I could not find the information in a single post, so I put everything I needed into a single place.
I also referenced the resources I used in putting them together. I hope nobody minds that I put it all together on my own web page. It really is quite long. 22 photos, a video, and descriptive instructions.
Whoopie sling with fixed eye loop using locked brummel