gabrielroth

Tumblr Widget allows you to display the contents of a Tumblr in any widget-enabled area of your WordPress blog. You can import all Tumblr posts, or only those posts with a specified tag, or specify certain categories (photo, link, quotation, etc.) to display.
If you find this plugin useful, I’d love to check out your site. Send me an email and let me know where you’re using it! gabe.roth@gmail.com
Controls
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Title: The title you want to appear above the Tumblr on your WordPress page. Leave blank if you like.
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Your Tumblr: The URL of the Tumblr you want to import. It doesn’t have to contain ‘tumblr.com’. Leave off the ‘http://’ at the beginning.
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Tag to show: Enter a single tag to display only posts with that tag. Leave blank to show all Tumblr posts.
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Tag to hide: Enter a single tag to hide all posts with that tag.
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Maximum number of posts to display: This number is a maximum, as the text suggests.
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Link title to Tumblr: Turns the widget title into a link to your Tumblr’s URL. If you don’t enter a title in the title field, you won’t get a link.
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Link to each post on Tumblr: When checked, this displays the date of the Tumblr post, linking the date to the original post on the Tumblr site.
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Images link to Tumblr post: By default, images in photo posts link to a large image file. When this box is checked, they link to the Tumblr post instead.
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Add inline CSS padding: Adds a CSS style rule adding 8 pixels of padding above and below each Tumblr post. Disable to prevent it messing up your own CSS.
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Set video width: Resizes videos to help them fit in your theme. Enter a value in pixels. 50px is the minimum. Height will be adjusted automatically in proportion to the width you choose.
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Show: Include or exclude different post types in the feed.
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Photo size: Tumblr provides each photo in six different sizes. Whichever size you choose to display, the image links to the 1,280-pixel version.
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</ul>

Tumblr Widget

Allows you to import a Tumblr into any widgetized area of a WordPress blog.

Humphrey Aaron

Get/display Tumblr posts via AJAX / Javascript / Client-side HTML requests. This plugin is great where the WordPress hosting server does not allow external HTTP requests, or where external HTTP requests on the server are preferred to be minimal.
Tumblr Ajax Features:
<ul>
<li>Display Tumblr posts, photos, videos and audios in a sidebar, post, or page</li>
<li>Styles to allow for customization</li>
<li>Widget options</li>
</ul>
Quick Start Guide:
<ol>
<li>After installing the Tumblr Ajax plugin on your WordPress site, make sure it is activated by logging into your admin area and going to Plugins in the left menu.</li>
<li>Before using the plugin, you must authorize your WordPress website to access your Tumblr account by adding the Widget to an existing Sidebar, and configuring it accordingly.</li>
<li>Play around with the various styles and options to find what works best for your site.</li>
<li>In order to change the CSS styles of Tumblr Posts, you can over-ride, using your own Stylesheet, the plugin’s default.css mark-up styles</li>
</ol>

Tumblr Ajax

Works with the latest WordPress version (4.4).



Now works

Display Tumblr posts via AJAX / Javascript / Client-side HTML requests

Tumblr Widget vs Tumblr Ajax