I don't know if this helps but one night FH and I were in Barnes and Noble and I came across some books that had sample speeches in the wedding section. You could check them out and maybe take notes - not necessarily buy the book.
Did you try a google search?
bridzilla
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Re: Anyone have a website for Best man toasts?
Theknot.com has tips. My FI was BM at a wedding and he got great tips from their site.