After a little bit of fiddling around, here is a working SweetFX DX8 injector.This utilizes the ENB Dx8-DX9 converter. I have made it so this is a drag and drop procedure. I have supplied both the Bolotaur and InjectSMAA wrappers.
Toggle Effect - F12
Screenshot - Print Screen
Reload Effects - Pause Break
Advent Rising (injected but caused a crash for me. may be an isolated incident)