Open UnrealEd.ini file and add these lines at bottom:


    [UserDefinedGroup]
    NumButtons=18
    Button0=Align Camera on Selected Actor,UDAlignCam, CAMERA ALIGN
    Button1=Resets the selected Brush (Location+Pivot+Rotation+Scale),UDResetBrush, ACTOR RESET ALL
    Button2=Deletes the selected Brushes/Actors,UDDelete, DELETE
    Button3=Duplicate the selected Brushes/Actors,UDDuplicate, DUPLICATE
    Button4=Selects all surfaces on the current Brushes,UDSelBrushSurf, POLY SELECT MATCHING BRUSH
    Button5=Apply the current texture to all selected surfaces,UDApplyTexture, POLY SETTEXTURE
    Button6=Poly Select - Adjacent walls,UDSelAdjWalls, POLY SELECT ADJACENT WALLS
    Button7=Poly Select - Adjacent slants,UDSelAdjSlants, POLY SELECT ADJACENT SLANTS
    Button8=Selects all actors within the builder brush,UDSelWithinB, ACTOR SELECT INSIDE
    Button9=Copy builder brush to selected poly,UDPolyToBrush, MAP BRUSH GET
    Button10=Show Pathnodes,UDShowPaths, PATHS SHOW
    Button11=Hide Pathnodes,UDHidePaths, PATHS HIDE
    Button12=Select All Movers,SelectMover,actor select ofclass class=Mover
    Button13=Add Semisolid Brush,AddSemiSolid,brush add flags=32
    Button14=Resetting Pivot,BrushResPivot,actor reset pivot
    Button15=Shows FPS Statistics,StatFPS,stat fps
    Button16=Remove Unused Textures,TexCull,texture cull
    Button17=Align This Actor,ActorAligner,actor align