Planned Parenthood, the homosexual lifestyle, abortion, etc. It's all outlined at HonestGirlScouts.com. Why not print some of these flyers and carry them around. When you get hit up by those precious little girl scouts pass the moms the flyer and say with a big smile. "I'm sorry, I just can't support Girl Scouts. Wish I could. I love Thin Mints."
There is an alternative to Girl Scouts that's solidly based on Christian values. Visit American Heritage Girls.