Note that the Ambiance and Radiance use purple icon theme
In way to use Ambiance look and non purple icons (humanity icon set),
will change icon set on ambiance or will use ambiance buttons order on other themes.

Installcustomize icons
======================
Download icon theme installer/customizer
#wget -N http://gnome-look.org/CONTENT/content-files/120508-MagIcons_0.3-0_all.deb
# sudo dpkg -i -E 120508-MagIcons_0.3-0_all.deb

Download humanities icon set that is very closed to humanity, but use less color for easy change
#wget -N http://dl.dropbox.com/u/3588645/Themes/Humanities/

Open the MagIcons
Applications->graphics->Magicons

Install new icon set using MagIcons
File_Insxtall New icon set
and choise Humanities.tar.bz2

Select icon set and color scheme
select one iconset: humanities
select a scheme: human
Click on [apply this inset] and all is OK

Note that will cretate new color scheme, changing the existing ones.
For example, will select orange scheme and change purple part with other colors

select a scheme: orange
Change 3 colors
Extras, Light; Extras, Dark;  and Extras, Border to non-purple colors.

[apply this inset]
In the case of changing color definition, ask for name to color scheme. Give your desired names

Change Ambiance icon with Gnome huamn
=====================================
Note that the Ambiance and Radiance use purple icon theme
Will change these icons with orage ones such as GNOME Human
Install gnome-human-icon-theme

# sudo apt-get install gnome-human-icon-theme

System->On preferences->apearance
select Ambiance
Click on "custon"and on "ICON" select GNOME Human

Human theme with Ambiance Windows border and button order
=========================================================
install shiki-human
#sudo apt-get install shiki-human-theme
on the system->preference, select Shiki Human
click on [customize]
On [Windows border], select Ambiance

To change button order, will made by command line
Run gconftools
#gconftool-2 -s /apps/metacity/general/button_layout -t string 'close,minimize,maximize:menu'

or graphically
Load gconf editor
#gconf-editor
On
apps->metacity->general
[button_layout]
Use right button on mouse over item to select "edit key"
change button order
menu:minimize,maximize,close
to
close,minimize,maximize:menu

