TORRANCE WEB DESIGNのエントリーから、画像に枠線やウォーターマーク、キャプションをつけるスタイルシートをご紹介

Framed Image Effect

HTML

<div class="frame-block">
<span> </span>
<img src="sample.jpg" alt="" />
</div>

CSS

.frame-block {
position: relative;
display: block;
height:333px;
width: 555px;
}
.frame-block span {
background: url(sample.png) no-repeat center top;
height:333px;
width: 555px;
display: block;
position: absolute;
}

Watermark Effect
HTML

<div class="transp-block">
<img class="transparent" src="sample.jpg" alt="" />
</div>

CSS

.transp-block {
background: #000 url(sample.jpg) no-repeat;
width: 555px;
height: 333px;
}
img.transparent {
-moz-opacity:.75;
filter:alpha(opacity=75);
opacity:.75;
}

Image with Caption
HTML

<div class="img-desc">
<img src="sample.jpg" alt="" />
<cite>Text Text Text Text Text </cite>
</div>

CSS

.img-desc {
position: relative;
display: block;
height:333px;
width: 555px;
}
.img-desc cite {
background: #111;
-moz-opacity:.55;
filter:alpha(opacity=55);
opacity:.55;
color: #fff;
position: absolute;
bottom: 0;
left: 0;
width: 555px;
padding: 10px;
border-top: 1px solid #999;
}

5 Ways to Spice up Your Images with CSS
　http://www.sohtanaka.com/web-design/spice-up-your-images-with-css/