the scorpion is hard to tell but tis either a Serradigitus species or a Paruroctonus species id need better pics and its size to nail it down for you. the millipede looks like what ive been told are a representative of the Parajulidae, order Julida, you can see pics of the specimines ive come across that were used in the ID here http://atshq.org/forum/showthread.php?t=14328
the centipede is a Lithobius species of Stone centipede