Hi Steve,
In the Prayer Connector folder, there exists these example templates for the candle and business directory. What is best is if you copy them out, make changes, and then upload them to fileadmin, i.e., fileadmin/templates. Then point the extension to use these by
1) Going to where connector plugin is installed,
2) Editing (may have to create if it does not exist) the extension template by going to Template->Info/Modify Existing Template,
3) Adding this to the Constant field of extension template:
plugin.tx_wecconnector_pi1.templateFile = fileadmin/template/wecconnector-candle.tmpl
if you choose to rename it, then whatever name it is and the given location.
Then save the template.
4) Now, you can edit the template in fileadmin/template and then try it out. Every time you upload a new one, you may have to Clear your Frontend cache. (see sidebar at bottom)
If you have questions about actually modifying the template itself, let me know what things you want to do. Change images / colors / layout?
-Dave