Many thesis premium skins provides features to auto generates post thumbnail from the first image in the post. But many people don’t use premium skins or design their own custom thesis theme. There are many hooks and tags available in thesis, but none of them will help you generate thumbnails automatically.
Today many thesis users
including me are showing thumbnails beside the post excerpt, and many of them don’t use any kind of premium thesis skin. The answer to this difficult question is very simple. Your search will finish at wordpress.org plugin database.
This plugin is completely compatible with any kind of thesis skin or only thesis framework.
The plugin name is Thumbnail For Excerpts. This plugin is very simple to use and have features to align your thumbnail.
This plugin actually creates the thumb for exert posts. You can use this plugin even when you use teasers in thesis, or when you don’t use it ( in magazine style ). This plugin allows you to choose the thumbnail image size and it’s really very flexible.
You can choose whither you want click-able image or not. You can exclude any category from automatic thumbnail generate, just enter the id of the category like 1,2,3,4 etc.
Remember that if you don’t add any image to your post, then no thumbnails will be shown. You cannot add thumbnails manually. The best part of this plugin is that you can modify the generated thumbnail with css.
If no image is found in the post, default image will be shown and you can change the address of default thumbnail.
If no thumbnail have been created previously then you have to regenerate the thumbnail images to be used. Video is available at sidebar. Just watch the video and you will understand how to use this plugin.
One hint, you need to modify your thesis design. Steps are :
- Thesis Design Options
- Post Images and Thumbnails
- Left with text wrap ( also select left align in Thumbnail For Excerpts admin page )
- Default Thumbnail Settings
- Before post/page content
- Set default size to 150 px.
In order to regenerate the thumbnails you have to use Regenerate thumbnail plugin. This plugin will ask the size of thumbnail you want to generate. Once selected click on generate and the thumbnail creation will start automatically. Don’t refresh the page in middle if it take a lot of time as this may damage your wordpress database. Slow speed is caused because you may be using cheap hosting or free hosting, or the number of posts including images is too large. This plugin will also not generate any thumbnail for those posts that contain image gallery, since it cannot retrieve any images from gallery. So this was the guide on how to automatically generate thumbnail in thesis theme.