FastExtend or FastExtensions is not the best option for shaders or indeed any option, because it does not use shaders.
hmmm... i say "Shaders" with " " ...
And yes, you can make nice FAKE shaders with FastExtension.
Here some examples of "shaders"....
-> Water ( Reflection & Refraction )
-> EBM
-> Specular
-> Blood
-> Plastic
-> Ice
-> Air Temperature ( Explosions , fire, etc )
-> Etc...