The extra icons are from Max's CustomUI mod, you can get it from CustomUI.2.0.beta2.zip from the archive link above.

Install instructions here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=6507.268

- Michael

great thanks,

i think i got the installed. i also found this

https://moi3d.com/forum/index.php?webtag=MOI&msg=7841.6

The Extras button can also be added as a standalone thing without customUI:

https://moi3d.com/forum/index.php?webtag=MOI&msg=10353.1

really cool :)

is there a way to have the new/added plugin icons appear in the right hand side menu instead of the bottom menu?

Hi mike,

re:
> is there a way to have the new/added plugin icons appear in the right hand side menu instead of the bottom menu?

Currently it is set up to insert the new buttons into this containing element inside CommandBar.htm :

<span id="CommandBarCustomUI">
</span>

If you wanted to change it to insert it into the side pane you would need to edit the CustomUI .js files and the SidePane.htm file.

You would need to put in a target container element <span id="SidePaneCustomUI"></span> inside SidePane.htm and edit the CustomUI .js files to have this code:
moi.ui.commandBar.CommandBarCustomUI.insertAdjacentHTML(

Changed to this:
moi.ui.sidePane.SidePaneCustomUI.insertAdjacentHTML(

- MIchael