More brake help please

[BOSS]

Hey guys,i have had some trouble with my brakes and i though i could fix it but i guess i was wrong.lol.first i will let you know what it has been doing.When i push on the pedal sometimes it is like i have no assist most of the time,even when i pump the brakes i just get power brakes some of the time,now for what i have done,i have a new booster that does work because when i pull the vac hose off of it i can hear it release the air inside,also i have put new pads on the front.any other ideas i can try to get them to work like they should?what else would you suggest?Thanx for any help i can get!!