Alley Oops:
To do an alley oop, hold direct shoot and pass at the same time. If you press the buttons while someone is down inside under the hoop or in the paint, it will through it right above the rim. (make sure that a descent dunker is down inside or he'll miss)

HIGH Salary Cap:
In order to get a Higher Salary cap then just 1000000 Go into C:\Program Files\EA SPORTS\NBA Live 2000 and open the NotePad file named "salary" and from there you can edit your salary cap and be sure not to change anything else unless you are ABSOLUTELY sure of what you're doing.