I don't like Mondays: give back, feel better about it being Monday

What you can do:

All it takes is a pen and paper, an envelope, and a stamp for these AI Kids Action projects -
*Amnesty International Kids Action (Diwali) - Kevin Benderman, U.S. citizen. or,
*Amnesty International Kids Action (Urgent Action) - Heba al-Khaled, Syrian citizen.
or
* "Adopt" a U.S. soldier.
or
*Earth Justice (online form) - Arctic Refuge project.
or
*Watch Born Into Brothels, and e-mail your sentiments to one of the children of your choice.

or this

Free the Gnomes.

but hopefully only after you've done one of the first five...