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Myprofessionaladvertising.com: Print Ad Strategies
This site comes from the 2nd chapter of a book by Professional Advertising which lists 36 ways in which your ads will be more profitable. This site provides very useful examples of each of these 36 ways.
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Inc.com: Design & Copywriting Effective Advertising
This site houses eight steps to designing and creating effective print advertising. Among the topics discussed is the 40-40-20 Rule, which the catalog industry feels is the equation to success.
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Inside Office: 10 Steps to Advertising Success
This site details 10 steps, as identified by Brian Moore, to finding success with your advertising campaign.