For Example, I can setup a Donate Now sku. It can then ask them to enter the donation amount. That will be added to the shopping cart. They can then continue to order supplies or services or checkout from their like normal. Is this possible?
It's not elegant... But you could set up a $1 sku and they could fill in the number of $1 that they want to donate in the quantity field. It would probably require a little explaining on the site. It would only allow whole $ amounts though.
Steve