Custom Header Images

This plugin provides an easy, lightweight possibility to add header images to your blog. It is simple and clean.
It is easy to understand, maintain and extend. It does not make use of extra tables or buggy built-in uploads.

Features:

Simple and easy management of header images
Each possible state is covered, by using all elements of the WordPress template hierarchy
The Media Library is used for image management, images are saved by URL copy/paste (so external images can be used, too)
Requires no extra tables
Support for Custom Post Types (Single Custom Post Images) and Custom Taxonomies (Taxonomy Page Images)
NEW (1.1.0): Linked Header Images (e.g. category page, larger image version, whatever you want …)
NEW (1.1.0): Display Category Image by default
NEW (1.1.0): Full output customization
NEW (1.1.0): Exclude specified Taxonomies / Post Types from Header Image functionality
NEW (1.1.0): Internationalization (incl. English / German translation)
NEW (1.2.0): Added API to retrieve plain URL/Link and output
NEW (1.2.0): Added possibility to use relative URLs.
NEW (1.2.0): Added Custom Header Images for author pages.
Clean install/uninstall

Languages:
en_US (default)
de_DE: German
sr_RS: Serbian (translation by webhostinghub.com)

Please report any bugs you may encounter.

Plugin URL: http://www.blackbam.at/blackbams-blog/2012/06/25/custom-header-images-plugin-for-wordpress

Upload the Plugin to your wp-content/plugins/ folder
Activate the Plugin
Go to Settings -> Header Images and insert the image URLs (get the URLs from the media library)
Paste the following code into your theme: <?php if(function_exists('chi_display_header')) { chi_display_header(); } ?>

Where to set the image data:

Go to Settings -> Header Images for general settings
Meta Boxes at the bottom of post / page / custom post type edit screen
Category/Taxonomy add/edit screen

Note: This Plugin uses conditional tags. You can only use conditional query tags after the posts_selection action hook in WordPress (the wp action hook is the first one through which you can use these conditionals). For themes, this means the conditional tag will never work properly if you are using it in the body of functions.php, i.e. outside of a function (https://codex.wordpress.org/Conditional_Tags).

Q: The Plugin is not displaying the header images correctly. What is wrong?
1. The function code must be pasted into one of your template files, the best place in most cases of use is the bottom of header.php
1. This Plugin uses conditional tags. Please make sure that your WP_Query object has been loaded correctly, before the code is executed.