If you are looking for high quality professional looking blogs, then you need this! Caffeinated Content wordpress plugin.
It can a lot of things like :

Provides REAL content that is readable, relevant, makes sense, and flows!
Populate your Blog in Q & A format with Yahoo Answers showing as real comments.
Populate your Blog with Keyword relevant Articles that can be rewritten automatically.
Populate your Blog with Keyword relevant YouTube Videos
Posts can be added in a date range you define, meaning you can go back 1 year or 5 and post until 2010 if you want!
Posts can be "drip fed" until future dates you specify and by using WordPress built post scheduling.
Related and targeted Images are added to your post automatically.
Use on as many IPs and websites as you wish.
Content history - Won't post same content again.

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