To donate to the Beat Breast Cancer campaign, text the word BEAT to the number 70007 or 70099
Sources:
http://media.summitmedicalgroup.com/media/db/relayhealth-images/selfexam_2.jpg
http://www.worldwidebreastcancer.com/wp-content/uploads/what_breast_cancer_looks_like.png
because someone reminded me of it, if you want to do your breast checks yourself: here are the resources!