1 - copy icons to your UT or Unreal\System\editorres

2 - Copy the following lines to the very bottom of your UnrealED.ini file:
(if you already have custom buttons then you need to modify these lines a little)




[UserDefinedGroup]
NumButtons=4
Button0=Wireframe distance clipping mode,actorClipZ, ACTOR CLIP Z
Button1=Snap verticles of selected brushes to current grid,VertexSnap, ACTOR ALIGN
Button2=Show UV scaling values of selected poly (in log window),PolyTexInfo, POLY TEXINFO
Button3=Select all surfaces of a given zone,allZoneSurfaces, POLY SELECT ZONE
