Custom Joomla Template

I am running a Joomla 2.5 website for my church and I would like a whole new look/layout... I do not want the content changed just the layout and colours etc... ## Deliverables * * *This broadcast message was sent to all bidders on Sunday Sep 23, 2012 11:37:27 AM: My current website is at [login to view URL] I don't want the new site to look anything like the old one... * * *This broadcast message was sent to all bidders on Monday Sep 24, 2012 7:59:55 AM: For those of you who had just joined this My current website is at [login to view URL] I don't want the new site to look anything like the old one...