I just wanted to share a post I spotted on Knit for Peace earlier this week, which links to a couple of free patterns for knitted breasts and offers to get them to the right people. So if you have a desire to knit breasts and no-one to knit them for, or if you have a need but no knitters, get in touch with Knit for Peace and they will do the middle bit!
Other links on this topic which offer patterns and/or good causes to knit breasts for include (and I will attempt to open the comments on this post in case anyone wants to share more):
The tit bits pattern on knitty.com
The Knitted Knockers programme which provides comfy knitted breasts for breast cancer survivors.
A crocheted breast pattern for those who prefer one needle to two!