Welcome to sublemacy.
You're allowed to do what you want with the template, as long as the "designed by" and "coded by" part stays intact and the reference in the sponsors list is intact.
Note: If the sponsor/supporter image only contain text you might want to just edit the template in your favorite template/html editor
Files and colors that might be usefull:
If you have any questions or need help with the template, please create a thread in Clantemplates.com help booth.
Here's a direct link to the help booth
Thank you for downloading this free template release from www.clantemplates.com if you have any questions, this document will address them or direct you to where they can be addressed.
All templates released at clantemplates are coded in html/xhtml so that even the most inexperienced individual can understand and edit the template. If you have either Frontpage or Dreamweaver at your disposal these would be recommended for you to easily edit and manage the code of your new website template. The below are 3 video tutorials that explain different aspects of how to use a template downloaded from Clantemplates.
How to Download & Edit Your Template: click here
How to make a new page for the template: click here
How to upload your template to a server: click here
All templates released at Clantemplates include blank banner images for you to add your own clans name to in order to personalize the template. Such images are generally included in the images folder which was in the zip file you downloaded. This may also include other blank images for various parts of a template depending on the template you've downloaded.
So...do you still have questions that the video tutorials just didn't cover? Well the best place to get the kind of answers you need is to use that template you've downloaded is to submit your question for the Support Staff in the Clantemplates Help Booth. Here's a direct link to the help booth.
Any question you may have regarding a template they will be able to answer for you.