You can edit the profile portion of your ZipPage by clicking on ZipPage Profile under the Profile tab. From here, you can customize your ZipPage URL, edit your Overview on the top of your ZipPage and even add your photo to your ZipPage.
The tips and topics you post will automatically appear on your ZipPage, so there is no need to add them manually. Just go ahead and post, and watch them appear on your ZipPage.