My turn =)
Sprites, background and graphics - all by myself. Pen tool is awesome tool to use and make your own images. There are some exceptions sometimes when I am lazy ) For example in my game "Saving private Brain" I took the image of soldier from the internet.
I use Adobe products: Photoshop, Illustrator, Flash.
SFX I take from free websites.
Music I do on Fruity loops or Ejay.
And of course Scira Construct 2 to blow a life into my steel images )