Rob Morley wrote:
In article , "Peter Hucker"
says...
Whenever I use these blasted things, whatever I've hung up ends up
falling down, pulling with it half a tonne of plaster. TIPS PLEASE!


[snip]
If it's plaster and lath you need to screw into the framing.

I assume you mean studding? not very satisfactory if he's hanging something
in the middle of a wall and there is studding either side of the center.