age 19
weight 185 lb
Bf 18% ???

I started working out on the regular about 2 months ago. I have had some awsome strenth gains, at least % wise I still look pretty weak when I compare my stats to the ones on the site. I've added about 35 pounds to my max bench etc. To my question though...... I know theres different exercises that target different parts of the biceps, what exercise would best focus on the peakiness of the biceps? Mine seem to be growing but I'd really like to focus on getting some height to them. My biceps seem to be making less progress then say my pecs, although I train them similarly. I've been doing curls with the zig zag bar(proper name?), preacher curls on the hammer strength machine and hammer curls?(holding dumbells vertically). all on the same day. they also get some secondary training when doing rows and such. I do a full body workout three to four times a week(every second day with the ocasional extra rest day. just wondering about getting some more hieght on those tricky biceps.
THanks