lower control arm help needed

I just receice few parts like

qa1 adjustable strut rod
qa1 upper control arm

now I would like to instal them but never
remove the lower arm on any A body and
dont know the correct way to do it right

I know I need to remove the lower control arm
but how do I do it right

by removing the lower control arm to install the strut
I would replace the bushing

wish one should I buy

http://www.summitracing.com/int/parts/ptp-4-205-bl/overview/year/1971/make/plymouth/model/duster


http://www.summitracing.com/int/parts/mog-k791/overview/year/1971/make/plymouth/model/duster

if you have pics or even better a vids the way to remove the arm and the bushing
that will help me alote

thanks bob