Yea, sure thing. It’s just a simple HTML code. Open gadget, click HTML code and copy and paste this.
I have a few mouse choices
For the Nyan cat –
<style type="text/css">body, a:hover {cursor: url(http://cur.cursors-4u.net/nature/nat-10/nat927.ani), url(http://cur.cursors-4u.net/nature/nat-10/nat927.png), progress !important;}</style><a href="http://www.cursors-4u.com/cursor/2011/10/28/animated-nyan-cat-rainbow.html" target="_blank" title="Animated Rainbow Nyan Cat"><img src="http://cur.cursors-4u.net/cursor.png" border="0" alt="Animated Rainbow Nyan Cat" style="position:absolute; top: 0px; right: 0px;" /></a>
For the sonic screwdriver –
<style type="text/css">body, a:hover {cursor: url(http://cur.cursors-4u.net/movie/mov-1/mov11.ani), url(http://cur.cursors-4u.net/movie/mov-1/mov11.gif), progress !important;}</style><a href="http://www.cursors-4u.com/cursor/2011/12/19/sonic-screwdriver-doctor-who.html" target="_blank" title="Sonic Screwdriver Doctor Who"><img src="http://cur.cursors-4u.net/cursor.png" border="0" alt="Sonic Screwdriver Doctor Who" style="position:absolute; top: 0px; right: 0px;" /></a>
~Sweet_But_Deadly