These two are both highly prickly, and I have a nightmare every time I have to repot them.
As you can see, most of these have started to lean over quite badly. I've tried to prop them up, but I'm expecting that they will fall over completly quite soon.
Apologies for the slight mis-aim of this photo- its hard to take them on a webcam facing into the sun. The ones in the middle are a round spiky one and another taller straight one. The red spiky one is actualy quite soft as its covered in soft white 'hair'.
If you keep cacti I'd love to see pictures of them.
Also, if anyone has any tips on keeping them upright then I'd be ever so grateful.