[bug?]kde4 plasmoid vs blender issue

Hi all
I have an issue vs kde4 “active” plasmoids and blender 3D
my KDE is 4.3.1 from repo KDE:KDE4:Factory:Desktop

I run 2 active plasmoids “life” and “network monitor” when I run blender, I
have some buggy view in places where “active” plasmoids are on desktop

Repository: @System
Name: blender
Version: 2.49a-10.pm.10
Arch: x86_64
Vendor: http://packman.links2linux.de
Installed: Yes
Status: up-to-date
Installed Size: 39.5 M
Summary: 3D Animation and Rendering Software
Blender is the open source software for 3D modeling, animation,
rendering, post-production, interactive creation and playback.
Available for all major operating systems under the GNU General Public