Copy this code and
put it in an "HTML" gadget. If you need detailed instructions go HERE.
<style
type="text/css">body{background-image:
url('https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9P17DpStvpMxZSvM0tOsl7uH0UBvLOAr6NYNVe_PJZM4AMUbMs5VaZjiJlRImM0h2O1HcsE_aaMluW4WkMSm7vFW5kLXhNZUsjZehZa_jfhG24ehssHTjmSQu-iKg47dG6wsY_m9srIs/s1600/Slide6.JPG');
background-position: center; background-repeat: no-repeat;
background-attachment: fixed; }</style><div id="tag"
style="position:absolute; top:30px; left:0px; border:0px;"><a href= "http://www.designsbyfarmgirl.blogspot.com" target="_blank"><img border="0" src="http://i1213.photobucket.com/albums/cc463/MNFarmGirl/backgrounds/DBFGLogo.gif" width="185"/></a></div>