1st all of all, all of this mass wp installer work on the basis of getting other's site RSS feeds for fresh content.. You can get several combinations of rss feeds to you site which make your site to seems to be updating on content a regular basis. However, i have heard that google is trying to hunt down such sites, which till now i still dun have whether have totally banned such sites or not, but i do have a site that i have set up on automated mode...
** you will realise my site has no adsense ads because i am currently testing payout for kontera ..
You can visit my automated blog
here.
note that i have also change the theme that the original package provide.