The HLB system or creating your own emulsifier

I plan to go into this in more detail in the near future, but for those of you who are interested in learning more about the HLB system (hydrophilic-lipophilic balance system), here are a few links to posts I've written on this topic...

What is the HLB system?
A demonstration of the HLB system with a lotion recipe. 
More fun with the HLB system - a body butter recipe
More fun with the HLB system - a light lotion recipe
Things to think about when creating an emulsifier
Silicones and the HLB system
A short summary of the HLB system and some links

And here's a link to a really valuable PDF on the HLB system from the late, great LabRat. This is where you can find all the HLB values of the emulsifiers and oils.