have you tried board presses? rack lockouts? reverse grip bench? close grip bench?
if you want to strengthen the tri's for your bench , focus mainly on pressing movements, and hit them hard twice a week
clint
http://www.weightliftingdiscussion.com/cgi-bin/wdb.cgi
if you want to strengthen the tri's for your bench , focus mainly on pressing movements, and hit them hard twice a week
clint
http://www.weightliftingdiscussion.com/cgi-bin/wdb.cgi