You may find International Accounting Standard IAS7 useful in preparing your cashflows.
Personally I think that your best bet is to just build your own. At leats that way you get a spreadsheet that does what you want it to rather than risking errors or ommissions in someone elses.
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Shaun
Responses are not meant as a substitute for professional advice. Answers are intended as outline only the advice of a qualified professional with access to all relevant information should be sought before acting on any response given.