i have a non-adult blog that is updated about 6-8 times per month on different topics that could be used as filler. Mostly statistical since in my "real" life that is one of the hats i wear..but i'm not opposed to having them fed to adult sites.. i mean really my google PR comes and goes
http://pi-consulting.com/category/believe-it-or-what/ are short 100-150 word snipets..