Actually, Wikipedia says, "Their royalties go to the "We Shall Overcome" Fund, administered by Highlander under the trusteeship of the "writers" (i.e., the holders of the writers' share of the copyright, who, strictly speaking, are the arrangers and adapters). Such funds are used to give small grants for cultural expression involving African Americans organizing in the U.S. South." (And I believe it was actually some reference to Highlander that I saw in the credits.)

~ B in H, NJ