Looking for any speaker recomendations for a sub flea watt amp


I have in the last six months added a nice headphone rig to my main system and just recently separated it bringing it upstairs into my office using it quite a bit more as a second system, with that said I would like to add a pair of speakers to listen to in near field for my wife as she is in the office doing her work, she loves music but is very intimidated by the all tube system we have in our living room and does not even consider turning it on or off. The system in question consist of a Yamamoto Soundcraft HA-2 headphone amp rated at 240mv at 8ohms and yes it does have speaker taps. Am I just pissing in the wind or are there some speaker choices that might satisfy my need and if the answer is no it will not hurt my feelings because I am very satisfied with the system as a headphone setup and have been using it a lot as such.
tooblue
I'm not sure anything will run on under a watt, but you might talk to Fritz from Fritzspeakers about building you something with a 4" Fostex driver.  I have a pair and they are excellent, although I've never tried with that much of a fleawatt.  But if your amp has a pair of stereo (rca) outputs, you can use any powered speakers.  In fact, even if it doesn't, you can probably use the headphone jack with a splitter and powered speakers.  Maybe get a pair of Tannoy powered monitors.  
audio nirvana sells very hi eff full range drivers. 1 watt is LOUD in my setup. put a pair in some boxes rrom dayton audio easy
I don't know this as a fact, but my thinking is the speaker taps / connections you refer to, may have been intended for headphones as well.  for a short time there were a few head phones being designed and marketed to connect directly to speaker post. If it were me I would want to contact Yamamoto Soundcraft  and discuss this with them. I don't know of any speaker choices available that are intended to operate at that low of a power/wattage, maybe Yamamoto would. 
bradf the amp was purchased directly from Yamamoto  Soundcraft in Japan and the info/manual refer to hooking up speakers to the connections, thinking something might of got lost in translation I went back and read the review done by an American reviewer and he refers to hooking up a very efficient pair of speakers as well.                                    veroman, I will check into that, Thanks