You might already know about The CoffeeShop Blog, but it's a super site dedicated to free Photoshop (and PSE) photo actions and other photo freebies (vintage frames, storyboards, etc).
Here are some of my favorite actions, used on my photos:
Also I love all of the vintage frames she has.
If you use her actions, leave your favorites below! Or even better, a photo you used the action on!