it's pretty simple, just put the crank in TDC (the mark in the oil pump) and the cam sprokets on their mark as you said, then put the belt, release the tensioner. Check the 3 marks, then turn the crank twice clockwise and recheck marks. that's all...

Montero 98, 5sp manual, Leaf Sprung, SWB, 3.0 V6 engine 12valve, 32" Kumho MT, custom bull bar, custom snorkel, 3 inch lift, KC highlight, 4.625 gears, 1.925 Low, part time 4WD non super select or active trac.