Look here and in our User Guide for answers to common questions. Use the comment box at the top to ask a new question. (Share tips and techniques, too, please.)
BTW: We'd like to improve the functionality of this User Forum. We'd love to have your help in building a better one. If you visit a user forum that you like, please share the URL with us above. If you know what tool that forum uses, share that information, too. Thanks, The DTL team.