(See my topic in the HCE part of the forums
)
We can find more, and the such if anyone wants to stunt(doing what mxy said(btw the most common one to use is a PFR(or Plasma->Frag->Rocket)
but there are a LOT more, such as PFRR(Plasma->Frag->Rocket->RocketHogShot)
or the PFRT(or Plasma->Frag->Rocket->TankShot) to launch hogs or other people to amazing hights or distances
(For example, a good PFRR can launch you from one base of BG to the other if aimed right