How do you get secure or unsecure urls in magento? It's quite simple actually. We discussed about getting different base url types in previous blog post here - [Magento get base url].
Now we will show you how to get secure urls in magento. So in previous post we got base url as:
This post details on how I was able to add new template tag on Magento Cms pages and static blocks. If you want to know more about these directives and template tags, you can check official magento wiki here.
I have already added this functionality and example on my github repository here https://github.com/dbashyal/Magento-General-Module-Extension. This module consists of other functionalities, so check code and strip out that you don't need it.
Lets create new image attribute first at: magento admin > Catalog > Attributes > Manage Attributes > Add New Attribute
Set Attribute Properties as below: