Pens, coffee mugs, tote bags, t-shirts?  One way to help you promote your organization is by creating products with your logo or images.  Here are some vendor resources.  Have a great vendor you want to let others know about?  Comment below to suggest a vendor.

Docucopies
Make cheap copies.
 
Discount Mugs
Create mugs with your logo. The basic coffee mug is a good price.
 
Envirotote
Create tote bags with your logo. The value tote is pretty cheap.
 
PensXpress
Create pens with your logo.
 
CafePress
Sell products with your logo or images.
 
GoodStorm
Order T-shirts with your logo or images.