Follow the steps below to install a custom template you received via e-mail etc.
To install a custom template:
In the Finder double click the template file. Alternatively you can Drag & Drop the template file on the Posterino application icon.
Posterino will open and present a template installation dialog:
Click thebutton and Posterino will install the template and move the file to the appropriate place.
Custom templates are saved at the following locations on your Mac:
The '~' character denotes your home folder.