murraypicton

Uses the flickr API to select a random image for a specified user. This image is then displayed at the beginning of every blog post and saved so that each post always has the same image.
<h3>Copyright Notice</h3>
Ensure you have the permission to use the flickr user’s photos before using this plugin. The writer of this plugin takes no responsibility for misuse and copyright disagreements.

flickrImg

Put a random flickr image for a specified user as the main image for each post

msoftware

The Flickr WordPress Plugin works with jQuery and makes it easy to you, to add Flickr images to your WordPress posts or pages. Some flickr users offer their images under a Creative Commons license, so that they can be freely included in your blog posts without any copyright problems.
The Ajax powered search box enables you to search for Flickr photos by matching your keyword. From the preview thumbshots you can chose your image by clicking it.
Once you have the photo selected, choose the size you want add in your blog post or select a rectangle from the image to crop a part of the photo.
Now you can click “Insert into Post” and the selected Photo will be added to your blog post including the required Copyright note and a nofollow image link to the author’s flickr page.
When adding the image in your blog post, you can select the image alignment as none, right, left, or center in the Flickr Media Panel
<h3>Key Features</h3>
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Use 100 million free images from flickr
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Full text flickr search box
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The Local Image Cache provides an immediate performance benefit
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Nofollow link to the author’s flickr site included
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Nice full featured, Ajax powered interface
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Support for WordPress Image-Caption code
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High usability by use of easy interaction components
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Select image size from 100 to 640 pixel on the longest side.
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You can crop a photo if you need only a rectangular part of the image
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Multilanguage I18n: English and German Language Support
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</ol>

Flickr Photo Post

The Flickr Wordpress Plugin allows you to add flickr images to your wordpress posts incl. a simple crop function.

flickrImg vs Flickr Photo Post