When applying for free samples, I give people a "junk mail" email address so that my actual email address doesn't get clogged with a bunch of spam. Most Internet providers allow you to have several email addresses with your account. Check with your provider for more information.
Free sample of Lysol Power Toilet Bowl cleaner
Two months of Family Circle Magazine free
Free "Being a Girl Kit" from Tampax.
Free sample of Kellogs Poptarts and .55 IP Q.