Theme Options
This template allows you to customize some options directly in the layout.
Default Thumbnail 
Access your blog Layout > and click on the Edit Icon > in the Theme Options > Default Thumbnail gadget.
Example:

JSON Variables
Access your blog Layout > and click on the Edit Icon > in the Theme Options > JSON Variables gadget.
{
    translate: {
        pageOf: "Page {page} of {pages}",
        prevMsg: "Previous",
        nextMsg: "Next"
    }
}pageOf: default is Page {page} of {pages} 
prevMsg: default is Previous 
nextMsg: default is Next
Example:
