first you're gonna need to explode the setting and register it to the template you're trying to use
PHP Code:
$exploded_array = explode(',' $vbulletin->options['cisteamlogo']);
$templater = vB_Template::create('YOUR_TEMPLATE');
$templater->register('exploded_array', $exploded_array);
if the template you're using is a stock vb template, pre-register the variable in a plugin using the parse_templates hook
then in you're template you can do something like:
PHP Code:
<select name="team_logo" class="primary" title="team_logo" tabindex="1" />
<vb:each from="exploded_array" value="option">
<option value="{vb:raw option}">{vb:raw option}</option>
</vb:each>
</select>