Things I can always use:

Baby::bottle:
Diaper coupons (Huggies, Pampers, Luvs, CVS brand)
Baby Wipe coupons (any brand)
Formula checks/coupons (Similac or Enfamil)
IDSO Gerber $3 off any food item IP.

Grocery:
Activia yogurt cups $1/1
Jif peanut butter
Teddy Grahams
Life cereal
Pepsi products-cans
Of course, any "free"s

HBA and Cleaning::shampoo:
CVS Earth Essential papertowels
Mr Clean Magic Eraser
Pledge Multi Surface spray

Misc:
CVS store coupons $x/$xx
CVS store coupons ("free 2 liter" or "$2 off CVS brand items" etc)
IDSO Rx new/transfer coupons to CVS, Walgreens, Target or Kmart

If doing a trade, I can always use Gift Cards to any of the following:
Kroger, Walgreens, CVS, Target, Walmart, Kmart, Archivers, Hobby Lobby, Babies R Us, McDonalds, Applebees, Itunes