
Make Them Disappear
<style type="text/css">
.thumbnail { display: none; }
</style>

Borders
To put a border around all your thumbs (changes on hover):
<style type="text/css">
a:link .thumbnail, a:visited .thumbnail { border: 2px solid red; }
a:hover .thumbnail { border: 2px dotted green; }
</style>
[ More Border Styles ]

Image Filters
To apply a filter (changes on hover):
<style type="text/css">
a:link .thumbnail, a:visited .thumbnail { filter: fliph; }
a:hover .thumbnail { filter: flipv; }
</style>
Nb, filters only work in the IE browser, except for
[ Opacity ] which is cross
browser.
[ More IE Filters ]

Size
To resize your thumbnails with code, just give them a width and/or height:
<style type="text/css">
.thumbnail {
width: 50px;
height: 50px;
}
</style>
[ More Info ]

Positioning
To create a bigger space between your thumbs, you can use margins like this:
<style type="text/css">
.thumbnail { margin: 10px; }
</style>
For more info, or how to float your thumbs up next to the defaultpic,
[ go here ].