Hy, 

I change the mouse cursor under Xorg.

I create a $HOME/.icons, put my icons inside (ComixCursors-White)

I create a $HOME/.icons/default/index.theme, and write into:

[Icon Theme]
Inherits=ComixCursors-White-Regular

I restart X, and the mouse cursor in well changed, but the 
picture of the cursor seems to be bigger than allocated to him.

The result is I can only see a little part of the cursor.

How I can change this to see all the mouse cursor...?

I search a lot, so thank in advance for your help.