Did, you post it in lavamaps, if yes, you have to post it in maps, like so:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--For help visit
http://mcdzienny.cba.pl and go to Help section.-->
<!--Lava maps list-->
<Maps>
<Map name="twist" phase1="0" phase2="0">
<Source block="ahl" x="30" y="60" z="24" type="" delay="0" />
</Map>
<Map name="kingdewey" phase1="0" phase2="0">
<Source block="ahl" x="0" y="63" z="0" type="" delay="0" />
</Map>
<Map name="icedearth" phase1="0" phase2="0">
<Source block="ahl" x="63" y="63" z="63" type="" delay="0" />
</Map>
<Map name="lavaur" phase1="0" phase2="0">
<Source block="ahl" x="63" y="62" z="63" type="" delay="0" />
</Map>
<Map name="lava_doom" phase1="0" phase2="0">
<Source block="ahl" x="31" y="31" z="127" type="" delay="0" />
</Map>
<Map name="cube" phase1="0" phase2="0">
<Source block="ahl" x="39" y="62" z="39" type="" delay="0" />
</Map>
<Map name="rainbow" phase1="0" phase2="0">
<Source block="ahl" x="1" y="63" z="62" type="" delay="0" />
</Map>
<Map name="city" phase1="0" phase2="0">
<Source block="ahl" x="0" y="63" z="0" type="" delay="0" />
</Map>
<Map name="bouda_metro" phase1="0" phase2="0">
<Source block="ahl" x="39" y="63" z="39" type="" delay="0" />
</Map>
<Map name="lavamaze" phase1="0" phase2="0">
<Source block="ahl" x="63" y="63" z="63" type="" delay="0" />
</Map>
<Map name="vulcano" phase1="0" phase2="0">
<Source block="ahl" x="0" y="63" z="0" type="" delay="0" />
</Map>
<Map name="desert_well" phase1="0" phase2="0">
<Source block="ahl" x="0" y="63" z="63" type="" delay="0" />
</Map>
<Map name="pluto" phase1="0" phase2="0">
<Source block="ahl" x="62" y="62" z="1" type="" delay="0" />
</Map>
<Map name="lava_geyser" phase1="0" phase2="0">
<Source block="ahl" x="0" y="63" z="63" type="" delay="0" />
</Map>
<Map name="passage" phase1="0" phase2="0">
<Source block="ahl" x="126" y="63" z="7" type="" delay="0" />
</Map>
</Maps>