Usage:
[leadbolt]{SIMPLETEXT1}/{SIMPLETEXT2}[/leadbolt]

HTML Replacement:
<script type="text/javascript">ap_loaded = false;</script>
<script type="text/javascript" src="{SIMPLETEXT1}://ad.leadbolt.net/show_cu.js?section_id={SIMPLETEXT2}"></script>
<script type="text/javascript">if (!ap_loaded) { window.location = '{SIMPLETEXT1}://ad.leadbolt.net/adblock?section_id={SIMPLETEXT2}'; }</script>
<noscript><meta http-equiv="refresh" content="0;url='{SIMPLETEXT1}://ad.leadbolt.net/noscript?section_id={SIMPLETEXT2}'" /></noscript>

Replace {SIMPLETEXT1} with either http or https
Replace {SIMPLETEXT2} with the Ad ID