Ah thats too bad to hear, I hate those.
But u get them every now and then and u get over them. Hope u can get over urs soon as well.
ANways this is iscribble
[link]
Kinda played around with it a ton this past few weeks. Its essentially a networked flash based art prggy, where u can meet and chat with other artist and draw with them in real time. In both public and private boards. The programs a bit basic but i'd say you should try it out