There can be various way to do it. If the banners would be static then the easiest way i see is to
First add the banner to be used in the media using the media uploader and then using the text widget add it to the sidebar using the img tag
Related Posts:
- Get list of all registered sidebars
- What is the difference with get_sidebar and dynamic_sidebar?
- how do I get_sidebar into a varaible?
- Best way of making multiple sidebars
- Getting post-thumbnails from another WP site
- Get custom side bar on custom post archive page
- How do I hook a sidebar via add_action?
- Get a sidebar at the top of the page
- Sidebar random author spotlight
- Sidebar Generator? :)
- Main Sidebar Dispappeared – What could possibly cause this?
- Change which sidebar get_sidebar() gets from functions.php
- Why and how is twentythirteen adding a margin-top to my footer?
- Adding content to sidebars
- Twenty Ten child theme has post on an inner page. Cant get that page to use my desired template
- Change sidebar headers from H1?
- Load same sidebar multiple times
- change sidebar or just widgets for 2 specific post type single posts
- Same date is repeating on my custom ‘Most Recent Posts’ on sidebar
- How to add Sidebar and Full width option in post editor
- Corrupt WordPress Design/Appearance [duplicate]
- how to exclude posts on current page from recent posts sidebar widget
- How to add a class when there’s no sidebar?
- Output dynamic_sidebar into PHP
- Creating a different side bar for single posts than for main page.
- WP for main site and two blogs – implementation
- How to list custom post types in a secondary sidebar?
- From what hook on is it possible to conditionally add actions?
- Post thumbnails in sidebar & footer?
- Paging in a sidebar mini loop
- Sidebar on the wrong side of the page
- Include a sidebar on the static front page of twenty thirteen
- How to increase maximum number of sidebars support?
- if statement in sidebar.php checking page id or template or title
- sidebar parameters (before_widget, before_title) not Working
- Unable to call specific dynamic_sidebar
- How to enable the default sidebar area?
- Remove Sidebar from WordPress [closed]
- Gutenberg sidebar example does not update meta field in the database
- Check if sidebar is rendered?
- Not Getting Sidebar
- Where is dynamic_sidebar content defined?
- Why does my sidebar get dragged down on this specific uid?
- Common side bar for multiple websites
- Dynamic Sidebar Conditional [duplicate]
- Cannot retrieve author in sidebar of single.php
- Extra copy of sidebar appears in footer
- get_sidebar() will not work in footer.php
- Gutenberg get wp registered sidebars
- How do I show breadcrumbs when sidebar is not applied?
- Sidebar only shows up on blog page
- Create an array of “read next” posts using a dynamic offset
- Can Sidebar’s widget retrieve information from content area?
- Get specific sidebars $wp_registered_sidebars [closed]
- How to use full length of the upper part of the content and below of it is a content with a sidebar?
- register_sidebar_widget is deprecated since version 2.8
- get dynamic_sidebar() value in array in wordpress
- Sidebar not showing up on homepage
- display specific sidebar for each role
- Sidebars are no longer working
- Change twentytwelve sidebar responsive relocation?
- Split the content of the_content();
- How to troubleshoot Sidebar not being generated
- Can the Twenty Eleven theme have a Main Sidbar at all?
- Select a Sidebar from Page Creation
- Why is my custom sidebar always open on the widgets screen in Admin?
- is_user_logged_in function in a sidebar not working
- Content not showing up when using custom template + sidebar
- How do I set is_active_sidebar?
- How do I fully rid of the 1px wide sidebar border? [closed]
- how do i get my sidebar above content on nanomag theme
- Customizer doesn’t recognise sidebar
- How do I edit the side-bar (doesn’t seem to be a menu)?
- Change Sidebar for rewritten page
- sidebar / widget wont show
- Sidebar widgets are looping out of the sidebar wrapper
- Need help with theme Business (Modern Themes): sidebar issue
- Children Pages Displaying Only Intermittenty
- I’d like to add an fa icon before a link in my ‘recent post’ side bar [closed]
- Extra sidebar in Twenty fifteen
- sidebar not displaying when using get data
- Echo there are no posts wp_get_archives
- How to change templates based on URL
- More than one dynamic sidebar
- Sidebar does not display on blog page, but fine with static pages
- is_home() and is_front_page() not working in sidebar
- Placing video content into a sidebar
- different contents and same sidebar approach?
- How do I store get_sidebar in a varaible? [duplicate]
- How to hide a Sidebar from other admins?
- How to create another sidebar to be shown on another page?
- How to change font in title of sidebar widget [closed]
- How do I load my site without the side bars? This is for an app
- ReadWriteWeb-like sidebar scrolling
- How do I move the sidebar more to the right in TwentySeventeen?
- Remove Sidebar for Pages on Canvas Wootheme [closed]
- How can I add custom sidebar to my theme? [closed]
- How to hide sub categories in sidebar [closed]
- sidebar choice not saved for pages (but saved ok for posts/custom posts) [closed]
- Disappearing Widget Text area