The code to do backgrounds is:
<body background="http://url code here" text="color here"></body>
Remember to get the url code of a background, click on the background, then hit info, there's the url.
purp.gif
fire.gif
fant.gif
mede.gif
fog.gif
snowflakes.gif
<
birds.gif
stars2.gif
snow.gif
lapis.gif
tile.gif
rainbow7.gif
sky.gif
fog2.gif
rainbow.gif
purpbeauty.gif
blueweb.gif
stars.gif
satun.gif
sky3.gif
space.gif
sky4.gif
space2.gif
stars3.gif