NOTE: You must register on the forums to see downloadable attachments!
To get new actions, simply download the attachment and save it in Assets\PlayMaker\Actions.
NOTE: New versions of Playmaker will include any actions uploaded here.
If you get this error after downloading an action, or updating Playmaker:
error CS0101: The namespace `HutongGames.PlayMaker.Actions' already contains a definition for XXXX
This means you have 2 actions with the same name. Type the name into the Project search field and you should quickly be able to find the duplicate files. Moving one of the files out of your Assets folder will fix the error.