http://datarx.info/ACPCD/chapters/ch0404.htm
Alot of info in it...it talks about why IBS and IBD can coincide in a patient, shows pics of perianal crohn's skin tags and a little info (that's all they seem to have on the anal skin tags) and much more.
A great link for newbies as well as vetrans, hope you all get something out of it!