Hmm, I actually have a question for this. On my Bandai reissue (the recent one) Super VF-1S, one of the friggin wings doesn't stay in place. I took the thing apart (had some interesting results there) and the wing appeared to be in good condition but the thing still doesn't stay put. Anybody have any ideas?
And I might as well put some useful stuff here since someone will ask sooner or later.
With a wobbly leg in a 1/55, just get a screwdriver and tighten the screws in the leg bar thing. Although don't tighten them too much since you can wind up destroying the leg.
And with a 1/60, just use a friggin hobby knife to get the canopy off. There was an obvious design problem with the valk - it's not that hard to get off with some leverage, but you can't get any (that's what the hobby knife is for). Although hold your hand over the canopy - I spent like 10 minutes looking for one that flew off.