ways to wire subs and speakers

i have read a couple of topics that u guys posted on how to wire up subs, but i'm not sure what u guys talking aobut

what are some of the the ways to wire up the subs to the amp?

theres alot correct?  i wanna know about a 2 channel amp.? about parrelell and other junk, and bridgein.

This should help you out:  http://www.jlaudio.com/tutorials/wiring/index.html

kinda but not really got any other sites?

it shows the wiring, but which positive or negative do i use.

for example. i take 1 negative from the left or right?

same as the posivited, do i take the from the same side or from the other side?