for the pal side of things only... this should sort out info/cast/plot spinners and they should be pixel perfect over the thumbnail/listview spinners.
the following override references.xml textbox & listcontrol thanks to kraqh3d for the tip.
pal - dialogalbuminfo.xml / line 178
<control>
<description>textarea</description>
<type>textbox</type>
<id>4</id>
<posx>220</posx>
<posy>320</posy>
<onleft>5</onleft>
<onright>5</onright>
<onup>5</onup>
<ondown>5</ondown>
<spinwidth>18</spinwidth>
<spinheight>16</spinheight>
<spinposx>410</spinposx>
<spinposy>205</spinposy>
<spincolor>ffffffff</spincolor>
<textureup>scroll-up.png</textureup>
<texturedown>scroll-down.png</texturedown>
<textureupfocus>scroll-up-focus.png</textureupfocus>
<texturedownfocus>scroll-down-focus.png</texturedownfocus>
<image>icon-folder.png</image>
<font>font13</font>
<textcolor>0xffffffff</textcolor>
<colordiffuse>ffffffff</colordiffuse>
</control>
pal - dialogvideoinfo / line 238
<control>
<description>textarea</description>
<type>textbox</type>
<id>4</id>
<posx>220</posx>
<posy>335</posy>
<width>410</width>
<height>200</height>
<onleft>5</onleft>
<onright>5</onright>
<onup>5</onup>
<ondown>5</ondown>
<spinwidth>18</spinwidth>
<spinheight>16</spinheight>
<spinposx>410</spinposx>
<spinposy>190</spinposy>
<spincolor>ffffffff</spincolor>
<textureup>scroll-up.png</textureup>
<texturedown>scroll-down.png</texturedown>
<textureupfocus>scroll-up-focus.png</textureupfocus>
<texturedownfocus>scroll-down-focus.png</texturedownfocus>
<image>icon-folder.png</image>
<font>font13</font>
<textcolor>0xffffffff</textcolor>
<colordiffuse>ffffffff</colordiffuse>
</control>
<control>
<description>cast listcontrol</description>
<type>listcontrol</type>
<id>50</id>
<posx>220</posx>
<posy>335</posy>
<width>410</width>
<height>200</height>
<onleft>5</onleft>
<onright>5</onright>
<onup>5</onup>
<ondown>8</ondown>
<spinwidth>18</spinwidth>
<spinheight>16</spinheight>
<spinposx>410</spinposx>
<spinposy>190</spinposy>
<spincolor>ffffffff</spincolor>
<textureup>scroll-up.png</textureup>
<texturedown>scroll-down.png</texturedown>
<textureupfocus>scroll-up-focus.png</textureupfocus>
<texturedownfocus>scroll-down-focus.png</texturedownfocus>
<image>icon-folder.png</image>
<font>font13</font>
<textcolor>0xffffffff</textcolor>
<colordiffuse>ffffffff</colordiffuse>
</control>
pal16x9 - dialogalbuminfo.xml / line 178
<control>
<description>textarea</description>
<type>textbox</type>
<id>4</id>
<posx>220</posx>
<posy>315</posy>
<onleft>5</onleft>
<onright>5</onright>
<onup>5</onup>
<ondown>5</ondown>
<spinwidth>18</spinwidth>
<spinheight>16</spinheight>
<spinposx>410</spinposx>
<spinposy>210</spinposy>
<spincolor>ffffffff</spincolor>
<textureup>scroll-up.png</textureup>
<texturedown>scroll-down.png</texturedown>
<textureupfocus>scroll-up-focus.png</textureupfocus>
<texturedownfocus>scroll-down-focus.png</texturedownfocus>
<image>icon-folder.png</image>
<font>font13</font>
<textcolor>0xffffffff</textcolor>
<colordiffuse>ffffffff</colordiffuse>
</control>
pal16x9 - dialogvideoinfo.xml / line 238
<control>
<description>textarea</description>
<type>textbox</type>
<id>4</id>
<posx>220</posx>
<posy>335</posy>
<width>410</width>
<height>200</height>
<onleft>5</onleft>
<onright>5</onright>
<onup>5</onup>
<ondown>5</ondown>
<spinwidth>18</spinwidth>
<spinheight>16</spinheight>
<spinposx>410</spinposx>
<spinposy>190</spinposy>
<spincolor>ffffffff</spincolor>
<textureup>scroll-up.png</textureup>
<texturedown>scroll-down.png</texturedown>
<textureupfocus>scroll-up-focus.png</textureupfocus>
<texturedownfocus>scroll-down-focus.png</texturedownfocus>
<image>icon-folder.png</image>
<font>font13</font>
<textcolor>0xffffffff</textcolor>
<colordiffuse>ffffffff</colordiffuse>
</control>
<control>
<description>cast listcontrol</description>
<type>listcontrol</type>
<id>50</id>
<posx>220</posx>
<posy>335</posy>
<width>410</width>
<height>200</height>
<onleft>5</onleft>
<onright>5</onright>
<onup>5</onup>
<ondown>8</ondown>
<spinwidth>18</spinwidth>
<spinheight>16</spinheight>
<spinposx>410</spinposx>
<spinposy>190</spinposy>
<spincolor>ffffffff</spincolor>
<textureup>scroll-up.png</textureup>
<texturedown>scroll-down.png</texturedown>
<textureupfocus>scroll-up-focus.png</textureupfocus>
<texturedownfocus>scroll-down-focus.png</texturedownfocus>
<image>icon-folder.png</image>
<font>font13</font>
<textcolor>0xffffffff</textcolor>
<colordiffuse>ffffffff</colordiffuse>
</control>