HERE IT GOES,
First decide what is it that you are looking for, then post it on the forum, something like:
"ISO Opus X XXX" (ISO means in search of...)
in the post include what you are willing to trade for what you are looking for, please also post your email address like so:
blablabla
at
something
dot
net/com
check your mail often, and decide who to trade with, usually first come first serve basis, be kind and generous as it will come back to you, that is it.....