I think the appearance of the insertion point is controlled by the OS. You
could submit a report to see if it is possible to change it. That may be
allowed on some platforms.
If you are talking about mobile devices, I've seen that LC fields sometimes
don't display an insertion point at all, an
This is a stack for making cursor images:
http://forums.livecode.com/viewtopic.php?p=129211#p129211
You can set the color, size and transparency of the cursor image.
Don't forget to set the hotspot adjusted to the cursor's size.
Just copy your cursor image to your stack and set the cursor
(or the