I tried this on 4.1.3 and as soon as I told the block to use my template as described above, the block disappeared. Any idea how to fix this? Thanks!
*update
ok this code worked for me on 4.1.3 (you'll need to change your png filename)
Code:
<li>
<div class="block smaller">
<div class="blocksubhead">
<a class="collapse" id="collapse_block_html_{vb:raw blockinfo.blockid}" href="{vb:raw relpath}#top"><img alt="" src="{vb:stylevar imgdir_button}/collapse_40b.png" id="collapseimg_html_{vb:raw blockinfo.blockid}"/></a>
<span class="blocktitle"><img src="{vb:stylevar imgdir_cms}/launched.png" width="22" height="16">{vb:raw blockinfo.title}</span> </div>
<div class="widget_content blockbody floatcontainer">
<div id="block_html_{vb:raw blockinfo.blockid}" class="blockrow">
{vb:raw content}
</div>
</div>
</div>
<div class="underblock"></div>
</li>