Hi,
I wall mounted my ipronto a few months ago, did not wanna glue it on or brakets etc as looked good on its own. so used velcro, the high strength stuff from diy stores, used two 1" strips.
Left it to set for 24hrs, Stays up perfect and can remove if reqd.
I have also fed a power supply to keep powered up as like to have always on to show current weather from my web site, also gets used for x10 whole house control.