Help me please!

[HelpmePlz]

OK here it is...I drove my girlfriend up to Detroit for TN...along the way i just so happen to lose a little bolt in my "tension pulley" for my alternator belt and stuff....im not real good with cars...I can do the basic but really idk shit...but its a 2.3 canadian built motor...my ass is stranded here because no one around here can seem to figure out what I am talking about without a picture of the bolt....so if someone could please get me a picture of this bolt I would be estatic! Cause I'm stuck here till somethin happens...but its just a little tension pulley below and a little to the left of the alternator...I need a picture of that little bolt because they said its custom made and the Ford place up here i called said the do not carry it anymore goodluck with that...so pleace some help me

 

[BlackBII]

What year is your truck? Look like this?