Here are some answers you might need:

Q: What are actions?
A: Adobe has the answer ;): click

Q: How can I install actions?
A: Try this. Or a double click on the *.atn file should work, too.

Q: I want to submit a file. Shall I link or upload?
A: Please do not hotlink. E.g. it is NOT allowed to hotlink to seviantART. Be sure that you have a permission if you link to a file.

Q: I want to use a action or a plug-in for a commercial project, but there is no license! What should I do?
A: Please contact the author of the action or plug-in and ask for permission.

Q: I can't use the action, although I have the right photoshop version!
A: We would be appreciate when you let us know that there is a problem via comment or mail.

Q: I can't understand the Privacy Policy!
A: First of all: "Datenschutzerklärung" is the German word for "Privacy Policy".
Generally speaking: (informal translation) We won't give your private data to other, but we will save cookies.
Please contact us if you have specific questions about your data.