EXCEL loan ledgers templates

I want a series of template loan ledgers which can be used for various loan scenarios..... advances, repayments, running balance ordinary interest rate, default loan interest rate, use of interest calculated on either.... daily balance, monthly balance, compound, simple, can be in either one Model where variations are selected from drop downs or having established one template for one scenario, simply give me a series of templates which I can use for each different loan scenario.