Do's and Dont's for digipak covers/Magazine adverts

Do: 

Clear font

Appropriate sizes for: 1.images, 2. Font

Clear photos that are in focus

Photo's that are an appropriate shape for composition

Layout that follows the rule of thirds for composition

Use appropriate industry logos and conventions, properly positioned: Date, Copyright,Titles,Artist name, Bar code.

Use 3 convention colour rule and use colour that is appropriate for: 1.Images, 2.Font, 3. Background
Appropriate shape for the page

Don't

Do not put font over artist

do not make it random with pictures and fonts put anywhere

Use font simply because you 'like it'

Use layer styles

Do not stretch images, this will make them out of focus

Feel you need a separate photo on every panel - start being creative