Yes, Ed, a recipe has to be created for each classmate’s blog, but it only needs to be done once and the only thing you need change for each is the username in the comment feed URL. Hope that clarifies it.
from Comments for Mihael’s EDC blog http://edc15.education.ed.ac.uk/mkiseloski/2015/01/28/how-to-add-your-comments-on-other-peoples-blog-posts-to-your-lifestream/#comment-21
via IFTTT