Paul-Henri

Advanced tool to easily create meta boxes.

MetaBox Creator

Advanced tool to easily create meta boxes.

Tahir Yasin

This plugin adds a meta box to upload multiple images for posts and pages. You can enable it for custom post types also, please see installation instructions.
<h3>miu_get_images()</h3>
This function can be called from any template file to get attached images for the page/post being viewed. 
It returns an array of the attached image URL.
It take only one argument:
<ol>
<li>
post_id (integer) to get images linked to a specific post
 http://www.example.com/image-1.png 
 [1] => http://www.example.com/image-2.png 
)
?></li>
</ol>

Multi Image Upload

This plugin adds a meta box to upload multiple images for posts and pages.

MetaBox Creator vs Multi Image Upload