1/ Create a staff account for us (with Themes permission and Settings permission) http://docs.shopify.com/manual/settings/account/staff-members
2/ Capture screenshot or video for the issue you get.
3/ Specify which template and version you are using.
4/ Describe clearly how to reproduce the issue.
5/ Send all information (staff account, screenshot, video, template name and version, description of the issues, link) to email@example.com