Updated OP with v2 including 10 new cheats:
givereapersaints - Give Reaper Saints variant from Return to Steelport mission cutscene
giveaspplayer2 - Give ASP Player2 (Blue) variant from
http://deckers.die mission
giveaspplayer3 - Give ASP Player3 (Red) variant from
http://deckers.die mission
giveanchorescort1 - Give Anchor Tiger Escort variant Escort1 Steelport Zoo
giveanchorescort2 - Give Anchor Tiger Escort variant Escort2 SAPS Steelport Animal Protection Services
giveanchorescort3 - Give Anchor Tiger Escort variant Escort3 CLAW City League of Animal Welfare
giveatlanticaultimate - Give Atlantica Ultimate variant
giveatlanticasaints - Give Atlantica Saints variant
givesharkaverage - Give Shark Average variant (blue Shark from Return to Steelport mission)
givesharkcg - Give Shark CG Variant (red morningstar Shark)
You can see pics of all the new cheats linked on my site:
http://idolninja.com/blog/?p=1423
Georgo[o]n, There is no Morningstar Kayak variant. The closest thing is a variant called "m2_hack" but that's just a simple black version. Also, there is no Morningstar Miami. In the Ho Boat they just ride in on average ones.