what i am wanting to acchive is thatm if i play the keyboared i am wanting GEM's image to move and change colour and things. if some one could explain this it would be a massive help this is not for anything important this is for my personal development in pd so if anyone can point me in the right direction it would help me loads

i cant find what im looking for with in the document can someone direct me to what i need to be looking at

cheers