where in my html coding do i put a code for my recent tweets (to go under my...

[teaparties]

...page title/info)? here's the code, and i can't figure out where in my custom html to put it, i've tried everywhere and nothing will show up. am i stuck with only using themes that come with this built in!?

are there any tumblr help websites available?

{block:Twitter}
<div id="twitter" style="display:none;">
<a href="http://twitter.com/{USERNAME}">tweet tweet</a>

<div id="tweets"></div>
</div>

<script type="text/javascript">
function recent_tweets(data) {
for (i=0; i<data.length; i++) {
document.getElementById("tweets").innerHTML =
document.getElementById("tweets").innerHTML +
'<a href="http://twitter.com/{USERNAME}/status/' +
data.id + '"><div class="content">' + data.text +
'</div></a>';
}
document.getElementById("twitter").style.display = 'block';
}
</script>
{/block:Twitter}