This is my first step by step tutorial for Arduino, how to have Arduino IDE in Sharp Netwalker
http://www.tuxbrain.com/en/content/connecting-arduino-netwalkeri
Netwalker use an ARM procesor , that's why I can use directly the deb packages (for x86) so this guide can be used to port Arduino IDE on other non x(6 platforms using a Debian alike SO.
Regards
PS the tutorial is already translated to Spanish