I have the following links on the top right of my pages "Gallery" and "Archive View".

How do i go about adding additional links (like a "About me" or a link to my "Youtube Channel")

These are basic WEB HTML/css items. You just put them where you want them. Of course, where you put them in the theme scripts would be theme dependent. You did not choose to share with us what theme you are talking about, so can't help you there.

You did review the Forum rules & terms of sevice before posting, didn't you????

the theme is zpArdoise

i am guessing it's in the header.php that needs to be edited.

here is the part where it mentions the other links;

<?php if (function_exists('printPageMenu')) { printPageMenu('list-top', '', 'active', 'active', '', ''); } ?>

[list]
<?php if (getOption('show_archive')) { ?>
<li <?php if ($_zp_gallery_page == 'archive.php') { ?>class="active"<?php } ?>><?php printCustomPageURL(gettext('Archive View'), 'archive'); ?>
<?php } ?>
<?php if (function_exists('printContactForm')) { ?>
<li <?php if ($_zp_gallery_page == 'contact.php') { ?>class="active"<?php } ?>><?php printCustomPageURL(gettext('Contact'), 'contact'); ?>
<?php } ?>
[/list]
I am looking to add a link that says "My YouTube Channel" and have it point to www.youtube.com/mypage

can it also open on a new window?

The theme on your site is actually zpgalleriffic_v1.4... I am not familiar with this 3rd party theme but you will probably have to edit the theme. For the basics of Zenphoto theming see the theming tutorial. All else is actually standard html.

I need help with establishing links on my page. I had ipower design my Zenphoto site and the links are not working to my Gallery now. I have looked on establishing the link, but cannot find it.

I suggest you ask the people at iPower.
After all, they designed your site.