This what I'm using to show network icons for tv shows. It works perfectly. You have to use ListItem.TVShowTitle. I can upload my Object_MediaFlags if needed for an example. It's been heavily modded but it'll show how to do it. Check
here to see it in action.
Code:
<control type="group">
<posx>1150</posx>
<control type="image">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/defaultscreen.png</texture>
<visible>!Control.IsVisible(80) + !Skin.HasSetting(nodefaultflags)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/abc.png</texture>
<visible>substring(listitem.TVShowTitle,clerks)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/bbc.png</texture>
<visible>substring(listitem.TVShowTitle,the office) + substring(listitem.TVShowTitle,uk) | substring(listitem.TVShowTitle,extras)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/cartoon.png</texture>
<visible>substring(listitem.TVShowTitle,cowboy bebop) | substring(listitem.TVShowTitle,flcl)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/cbs.png</texture>
<visible>substring(listitem.TVShowTitle,eleventh hour) | substring(listitem.TVShowTitle,mentalist)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/comedycentral.png</texture>
<visible>substring(listitem.TVShowTitle,crank yankers) | substring(listitem.TVShowTitle,drawn together) | substring(listitem.TVShowTitle,reno) | substring(listitem.TVShowTitle,robot chicken)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/fox.png</texture>
<visible>substring(listitem.TVShowTitle,24) | substring(listitem.TVShowTitle,arrested development) | substring(listitem.TVShowTitle,dollhouse) | substring(listitem.TVShowTitle,family guy) | substring(listitem.TVShowTitle,fringe) | substring(listitem.TVShowTitle,grounded for life) | substring(listitem.TVShowTitle,lie to me) | substring(listitem.TVShowTitle,the simpsons) | substring(listitem.TVShowTitle,the tick)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/hbo.png</texture>
<visible>substring(listitem.TVShowTitle,sopranos)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/nbc.png</texture>
<visible>substring(listitem.TVShowTitle,dark skies) | substring(listitem.TVShowTitle,heroes) | substring(listitem.TVShowTitle,my name is earl) | substring(listitem.TVShowTitle,life) + !substring(listitem.TVShowTitle,grounded for life) | substring(listitem.TVShowTitle,scrubs) | substring(listitem.TVShowTitle,seinfeld) | substring(listitem.TVShowTitle,the office) + substring(listitem.TVShowTitle,us)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/scifi.png</texture>
<visible>substring(listitem.TVShowTitle,eureka)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/showtime.png</texture>
<visible>substring(listitem.TVShowTitle,californication) | substring(listitem.TVShowTitle,dexter) | substring(listitem.TVShowTitle,weeds)</visible>
</control>
<control type="image" id="80">
<include>Furniture_ShowcaseMediaFlagsVars</include>
<texture>flags/channel/tnt.png</texture>
<visible>substring(listitem.TVShowTitle,leverage) | substring(listitem.TVShowTitle,star wars) | substring(listitem.TVShowTitle,trust me)</visible>
</control>
</control>