I had to change sponsor links on galleries a few times and I can honestly say I have never been blacklisted on any of the big TGPs if smaller TGPs did ban me well I havent noticed it. I use a shell command.
find domain.com/galleries -name '*.html' -exec perl -pi -e 's/http:\/\/www.adultpoints.com\?=account/http:\/\/adultplatinum.com\?=account/g' {} \;
use the unescape character "\" before every "/" "?" "&"
I learned this command from someone on this board and it is very usefull for changing HTML across 1000's of documents