highlift jack problems

[87fleetsidedude]

i dont know if this is the correct forum or not, if not please move it to the correct one...anyway i'm trying to rotate my tires and i have to get it done soon...but im having problems keeping the jack stable when the tires leave the ground...any hints?....also im not sure where to jack it up in the front at...im thinking i should get a floor jack for the front...but idk....any ideas, advice, or solutions would be very much appriciated...thanks justin =)