The best options for teasers are games that either bring a favorite down under -3, or brings a dog up over a touchdown. Ideally, you want to be crossing both the key numbers of 3 & 7 to maximize your value.
Lions -1 & Dolphins PK
Seahawks have entered the teaser window, so they are a no-brainer add to the card.
Seahawks +7.5 & Dolphins -0.5