Best to go with the STA mod's as the SPM 1.5 Beta and the follow on SPM 2.0 have not been supported or updated in years.
Just a side note, the SFK42 Mediafire site is the free version. As such there is a limit to the size of individual files I could upload there, SPM 1.5 Beta was too large to upload.

"It's the man, not the machine" Gen Chuck Yeager