jtibbles

No Frills Gallery is a simple image gallery with optional slideshow feature. There are a number of gallery plug-ins for WordPress, but many 
are either too complex, too rigid or too expensive for some developer’s needs. No Frills Gallery has been developed for simplicity, but also 
for customisation. Thanks to it’s use of shortcodes, which are generated after you have chosen your specific requirements, both the gallery 
and slideshow can be placed anywhere on the site, either in a page or as part of a sidebar, header or any content area via either the standard 
shortcode or PHP’s do_shortcode syntax.
The styling has remained purposefully simple, allowing you the flexibility you need to build on your own style. All front-end stylings can be 
view in the /css/no-frills.css file. While you can edit this directly, it is not advised as it may be replaced on future plug-in updates. 
Instead simply copy the styles inside this css file and add them to your own theme’s style.css file. Then customise them to suit your needs.

No Frills Gallery

A very simple, easily customisable image gallery. Uses shortcodes to display your picture gallery and/or slideshow.

daxiawp

Automatically add a picture watermark, can select text or pictures are two types. 自动给图片添加水印，可选择文本或图片两种类型。 
详情：<a href="http://www.daxiawp.com/dx-watermark.html" rel="nofollow ugc">http://www.daxiawp.com/dx-watermark.html</a>
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DX-Watermark

The pictures automatically add watermark. 图片自动添加水印.

No Frills Gallery vs DX-Watermark