posted this many times before....very much worth the read!! http://www.gmarts.org/index.php?go=222
there is really no wrong way to order your effects, but that said there are some pedals that don't place nice in certain spots in the effects chain....experimentation is the key!!!
for example some Fuzz pedals don't
play nice AFTER
but the article posted above will give you a better understanding...and give you a place to start!!
If it were me probably
Octabass, IQ, overdrive, ring mod, chorus, Deep Impact