To change EQ types:
1) open EQUI_HotbuttonWnd.xml with wordpad
2) about 1/3 of the way down locate:
<InvSlot item="CopyOfAmmo">
<ScreenID>Ammo</ScreenID>
<!--<Font>3</Font>-->
<RelativePosition>true</RelativePosition>
<Location>
<X>139</X>
<Y>51</Y>
</Location>
<Size>
<CX>26</CX>
<CY>26</CY>
</Size>
<Background>A_InvAmmo</Background>
<EQType>21</EQType>
<Style_VScroll>false</Style_VScroll>
<Style_HScroll>false</Style_HScroll>
<Style_Transparent>false</Style_Transparent>
<!--<TooltipReference/>-->
</InvSlot>
3) Change the number in this line <EQType>21</EQType> to number found here:
EQ Types
4) Repeat as needed
5) Save and close
6) Reload UI and pat yourself on the back