J1.5:Template FAQs
From Joomla! Documentation
What is a template?
How do I install a new template?
How do I modify a template?
How do I assign a template to a specific page?
What are the base Joomla! CSS styles?
===What are module switches?=== (or -1 -2 and -3)
How do I add a position to a template?
How do I change the image(s) in my template?
How do I collapse an empty position in a template?
===CSS Text/Font Resizing (A+ A-) on Joomla Template