Foundation Center Proposal Writing Short Course walks you through the steps of writing a proposal for grant writing and submitting proposals to a prospective donor/funding agency.
Grantseekers' Checklist, produced by Montana State University's Office of Sponsored Programs, provides an easy-to-use checklist outlining the basic issues to consider in grant preparation from start to finish.
Here are a couple of books on proposal writing for consideration:
Writing grant proposals that win
Woodruff Library Book Stacks -- HG177 .H35 2006
The Foundation Center's guide to proposal writing
Woodruff Library Reference -- HG177.5 .U6 G44 2004