Hi again Laurie!
We use the 'Signing Times' videos. We usually watch one a day. We started out witht he Baby Signing Times series. There are four videos in that series. Here are their websites:
http://www.signingtime.com/ and
http://www.babysigningtime.com/ You can watch previews of each video here:
http://www.babysigningtime.com/watch-previews/
I usually get the videos off of ebay though, there are several places on there that sell them much cheaper than on the website. I look on the website to decide which video to get, and then look for it on ebay. If I were you, I would get Baby signing times number one first to see if your girls like it. They really are very cute, and the songs are catchy. My 15 month old loves to dance to them.
Nathan does not have any medical problems, but was diagnosed with Autism in March. We are talking about starting PECS this summer. Nathan is still not good about asking for what he wants.
Anyway, I hope that helps, and if you need anythink let me know!
Heather
Oh and Nathan just started calling me Mama about a month ago. Up until then all adults were 'dad'. It feels sooo good to hear a 'mama' now!