How To Put Background changed Changed

This tutorial just

step 1

Login Blogger Dashboard -> Design -> Add A Gadget -> HTML / Javascript.

Copy and paste the content cod under HTML / Javascript.

<div class="widget-content">
<center><blink style="color: rgb(0, 102, 0);"><span style="font-weight: bold; color: rgb(0, 153, 0);">please change the background of this blog!</span></blink><br /><br />

<center><select onchange="document.body.style.background = this.value;this.style.background = this.value;" name="DADcbgc" title="Change Background Image" width="185" height="30">
<option value="url() repeat center center fixed" />None
<option value="url(http://i958.photobucket.com/albums/ae69/putrablidz/storm.gif) repeat center center fixed" />PETIR
<option value="url(http://cdn.indowebster.com/www42.indowebster.com/7dd2ae51f4b0cb792d3a435dc953f5cc_thumbnail.gif) repeat center center fixed" />Red Matrix
<option value="url(http://yahyarezpectors.files.wordpress.com/2011/01/sharingan_wheel_by_neronin2.gif) repeat center center fixed" />Sharingan
<option value="url(http://data0.eklablog.fr/hinata/mod_article214242.gif) repeat center center fixed" />Sharingan 2
<option value="url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioQ4QFUQyd1qdn0qkaGLi-6rm88sJRxeDTFD-VoqxEwijw1T7QCXRXiUBR5NsL8lQcqteVCboLCHZcSv0LcLnSqmLx7vUUlAbow6QNjHizjggcA1QUJEkNv1zLxWQEuZXKBVdH3USODv6W/s1600/death-note%25284%2529.jpg) repeat center center fixed" />Death Note 1
<option value="url(http://i469.photobucket.com/albums/rr57/dragonknight0000039/ae/death20note20L.jpg) repeat center center fixed" />L Lawliet 1
<option value="url(http://lh5.googleusercontent.com/_GaKwmMcf4N4/TZF_GOqPR_I/AAAAAAAAEsY/iGS-uTIVDs8/DADbg.JPG) repeat center center fixed" />Hidden Leaf
<option value="url(http://lh4.googleusercontent.com/_GaKwmMcf4N4/TZGC4NlmmMI/AAAAAAAAEvk/cma5mtW-beU/DADbg2.JPG) repeat center center fixed" />Rikimaru

<option value="url(http://lh6.googleusercontent.com/_GaKwmMcf4N4/TZGC24bJuCI/AAAAAAAAEvg/O1mDH3LU91w/DADbg0.jpg) repeat center center fixed" />Yu-Gi-Oh!
<option value="url(http://lh5.googleusercontent.com/_GaKwmMcf4N4/TZGDGbOqsnI/AAAAAAAAEwI/FWAbOOZu2go/DAD1.jpg) repeat center center fixed" />Deidara
<option value="url(http://lh4.googleusercontent.com/_GaKwmMcf4N4/TZGC7eK9TtI/AAAAAAAAEvw/Ly5L0UA3D4s/DADcloud.gif) repeat center center fixed" />Akatsuki Cloud
<option value="url(http://lh5.googleusercontent.com/_GaKwmMcf4N4/TZGC7UA67RI/AAAAAAAAEv0/ehJ-oez_akU/DADbluematrix.gif) repeat center center fixed" />Blue Matrix
<option value="url(http://lh3.googleusercontent.com/_GaKwmMcf4N4/TZGC9O9ZNUI/AAAAAAAAEv8/Idjb8xIrw60/DADgreenmatrix.gif) repeat center center fixed" />Green Matrix
</select></center></center>
</div><br/><center></center><a href="http://blognya-ragil.blogspot.com/2012/04/how-to-put-background-changed-changed.html" target="_blank">Mau Pasang Seperti ini</a></center>

click Save.

and see the results ... :)

good luck