Cat: it could help to buy a journal or sketch pad for your others to use. Once you get to know more about them it becomes sort of easier to predict when they are upset or whatever and when they are likely to make an appearance. Internal communication levels vary, for me I can communicate with one of the littles, but not really with anyone else, I can sort of
hear them from time to time and I can
feel their emotions when they are sad or angry, but not a lot beyond that yet. But we have several journals and a LOT of post-it notes where everyone leaves messages for each other and through that I learn a lot.
In time mor emay make an appearance, back when I was first diagnosed I only knew of Jess and Sarah, now there are loads lol... I think that they let you know of them when they feel safe, once they know that the danger has past - or something... I am not really sure.
There is a really good book called "the dissociative identity disorder sourcebook" -
http://www.amazon.co.uk/Dissociative...2&sr=8-1-spell - which is full of exercises and tips and things to help with day to day functioning and internal communication.
Though I think the best way to improve these things is to find a desent therapist... which is something I am struggling with at the moment

noone seems to want to work with me once they see DID on my file
You don't want her coloring on important papers or anything like that
Ye... that's always a fun thing to explain... some of our littles also like to play "hide the important object", ie. keys, phone, bills, etc... it is extremely annoying! Though according to my old psych they do it to try to sommunicate something, or sometimes to sort of remind you that they are there. Doesn't make it any less infuriating though