There is an option in Joomla 2.5 to display the site name before or after the page title. However, there is not an option to change what you want the delimiter to be. This article tells you how to Change the delimiter.
Don't make the assumption that Joomla module positions have to be displayed in the template.
Modules can be displayed from within the article content using Joomla.
This article briefly describes how to display a module inside your content.