Photoshop :: Composite Photo And Background Layer

workflow problem when dealing with a composite, selection and background layer. My normal workflow is to start of in LR4, and if need be do an "edit in, CS6". I am relatively new to CS6, so bear with me.
 
I have some portraits I want to put different backgrounds on. I am using Matt Kloskowski's Layers book and Composites books written for CS5. I also have Martin Evening's book on CS6 and the workflow for doing a composite is pretty much the same. The catch is that none of them start off in LR with the original photo. They all describe the following basic workflow pattern:
 
1. Bring up the main photo in CS using "edit in CS6"
2. Change the photo from a background layer to a regular layer
3. Make a selection.
4. Make a layer mask
5. Refine the edge
6. open the background photo you want to place the selection in (steps 4 and 5 are sometimes reversed so you are refining the edge on the new background)
7. copy and paste the original photo onto the new background
8. Refine the edge if not already done
9. Save and exit back to LR with the composite
 
If I follow this procedure I run into a couple of problems:
 
1. My backgrounds are in a separate folder on my computer and not cataloged in LR. So, if I open them in photoshop and paste the original photo onto that image, LR will not know that I want to take the new composite back to the original folder along with the portrait. If I go to save the image, CS want to take the composite back to the folder on my computer where I got the background from. I tried playing around and tried renaming the composite similar to the naming convention I use for my photos in LR and then importing it into that folder after I have saved it in the background folder. This had some unintended consequences. First, I had trouble renaming the composite photo. For some reason Windows kept plugging in an old photo file name from one of my photos taken two years ago. After I discovered that  I could work around it. But after the first composite finally got into LR, when I tried to do it again, the import button on the left side of my LR went dark and I couldn't import the second composite photo I was working on. This could have been a coincident and unconnected LR glitch, but I have never had that problem before.
 
So...I was thinking of modifying the workflow to the following:
 
1. Bring up the main photo in CS using "edit in CS6"
2. Change the photo from a background layer to a regular layer
3. Make a selection.
4. Make a layer mask
5. Refine the edge
6. open the background photo you want to place the selection in
7. copy and paste the new BACKGROUND onto the original photo
8. Move or make the new background layer THE "Background" layer
10. Refine the edge
11. Save and exit back to LR with the composite
 
I am envisioning this will ensure that my composite will wind up back in LR because it is still keeping track of the original photo which now has gotten the new background, regardless of what the file name of the new background was.