virtuexru

This plugin will allow you to add one image or logo of your choice (defined in settings) 
to your RSS feed header. It is very simple to install/maintain and will add your website’s 
presence to your RSS feeds by giving it this personal touch.

RSS Add Image Header

This plugin will add an image/logo of your choice to all of your RSS feeds.

logaster

<a href="https://www.logaster.com" rel="nofollow ugc">Logaster Logo Generator</a> is an online service for creating logos and corporate identity. Just enter your website name and plugin will create dozens of logos that are saved in WordPress media library. Logos are fully integrated in WordPress so you can easily add them to home page or article/theme/etc. using a WordPress shortcode (available in logo page).
Created logos are also saved on Logaster website and available after signing up. It allows you to download high-res logo files, create favicons, business cards, envelopes, letterheads and edit designs at any time.
Plugin Features:
<ul>
<li>Easy logo creation process flow</li>
<li>Large database of high-quality icons</li>
<li>Fully integrated in WordPress</li>
<li>Integration with Logaster website allows designing a corporate identity (favicons, business cards, envelopes, letterheads)</li>
<li>Popular raster and vector formats (PNG, JPEG, SVG, PDF)</li>
</ul>
Useful links:
<ul>
<li><a href="https://www.youtube.com/watch?v=6Ws_NeclVqk" rel="nofollow ugc">What is Logaster?</a></li>
<li><a href="https://wordpress.org/plugins/logaster-logo-generator/faq/">How to create a logo?</a></li>
<li><a href="https://www.logaster.com/static/doc/Logaster_logo_example_en.zip" rel="nofollow ugc">Download examples</a> of logo</li>
<li><a href="https://wordpress.org/support/plugin/logaster-logo-generator">Contact & Support</a></li>
</ul>
Requirements:
<ul>
<li>PHP 5.3 and above</li>
<li>Enabled cURL extension or “allow_url_fopen” setting in php.ini</li>
</ul>

Logaster Logo Generator

Convenient tool for creating free logos. Logos are saved to media library and fully integrated to WordPress site.

RSS Add Image Header vs Logaster Logo Generator