TomatoUSB

hello all,im jean 37y.

i got wr1043nd hardware (DD-WRT v24-sp2 (08/07/10) std (SVN revision 14896) at this time.

and im looking for run a minimal linux (command line) on usb
to test my wirless security. with (reaver,airodump)

but im fully newbie on linux , (idk how to made/compile a linux )
any one can help me ?
link for how to or existing iso file with this for my hardware ?

all help is welcome , thank's to you guy