light set up with lamp texture? how to

Support Materials and Textures
#1

light set up
it looks like that for area light raytrace
you can add a Branches texture
but i cannot find it in 2.49

can someone point out to do this if possible in 2.49 and may be in 2.5 ?

wiki on area light set up
right at end of page above the ambiant occlusion part
http://wiki.blender.org/index.php/Doc:2.4/Books/Essential_Blender/11.1.Lighting:_Hands_on

pic for set up

Thanks and happy 2.5

#2

ok i found it

when you add a lamp like hemi there is a texture panel where when you press on the arrow it show a list of procedural texture which include this Branches texture for lamp!

see pic

[ATTACH=CONFIG]128188[/ATTACH]
thanks