Vote Day Action Center
Send free faxes to urge Senators to oppose Judiciary Committee's amnesty on the Senate floor
NumbersUSA, which has been a site that I have used extensively for internet activism, makes it very easy to put your $0.02 in. (Since you only have $0.02 the politicians look at us like we would look at a waterlogged worm in the gutter) But it can't hurt.
Our other tactic would be to skip school and parade in the stree waving foreign flags...