here's a pretty good site on smoking lots of info if ya did around some http://www.smoking-meat.com/august-1-2013-amazingly-tender-smoked-brisket-tutorial
rb for cold smoke in yer electric I think the amazin smoker would work well for ya it's kinda like a smoke box but different it's more of a basket type deal.
Dig around on this site and you should be able to find out more about it. Hope this helps some.
Ozark I'm not a great fan of trout unless they are fresh out of the water, but I think the best smoked fish I ever ate was smoked trout ole boy smoked it with cherry. He also had salmon and sturgeon that evening, but the trout was killer.