So I was thinking about getting a Raspberry Pi and a ASIC Block Erupter (or 3) to mine for alternative coins. I was wondering if the ASIC Block Erupter can be used for coins other than bitcoins. I've seen that you can make a raspberry pi mining rig that can get up to and over 4 Gh/s. I've heard that mining with Erupters and a Raspberry Pi isn't really worth it in the long run, but it still sounds like fun.

On a related note, has anyone gotten an integrated GPU to mine for coins? I've tried to use cgminer, however it says the GPU is not usable although I have installed the Intel OpenCL SDK (I have an intel i5 integrated graphics card; it sucks), cgminer is still giving me troubles.