the part in bold hides this div if the requirements [ie fcg isn't called for and activated ] aren't met. Remove it and you should be fine.
<?php /*Check for the 'gallery_styles' function. if it's there, then include it. If not, do nothing*/ ?>
<?php if (function_exists('gallery_styles')) : ?>
<div id="homepagetop">
<div class="featuredtop">
Hi! Can you help me?!?! This is where I would like to add a text field. Thank you.
</div>
</div>
<?php endif; ?>