It doesn’t work, I tried. Discourse core provides the thumbnail based on the image in the post, I am afraid 
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Is it just me or arhe the first 4 previews not working? I only see a regular topic list
Strange, I can see it just fine.
Can you confirm you’re in the #topic-list-thumbnails-example category?
How can I adjust the image size and ovality like on this forum site forum.xboxera.com
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It would be nice, if there is an option for adding excerpts from topics.
Thanks 
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You can combine it with this theme component :
It’s really nice with a few tweaks
Here is an example:
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Thank you
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Any chance that the Topic Cards mode could be added to to TLT?
How can I set the search results displayed in grid or mansionry
Thanks
Frank
4 posts were merged into an existing topic: How can I set the search results displayed in grid or mansionry
This is an exceptionally well-designed component; with some modifications to the code, it can achieve highly customizable effects.
Is there any way to add a setting to enable an option so that thumbnail settings will also be applied for subcategories automatically?
Hi there - I’ve read through this whole thread but still have a question about this component.
Specifically, is it possible to set it so the thumbnail is only displayed if an image is found to display? i.e. - rather than having a placeholder when there’s no image, just don’t display anything?
Currently we have many topics without images and the placeholder images are overwhelming.
Note that we are focused on List view if that is important.
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I agree that this should be an option.
If not yet implemented or if it won’t be implemented at all, maybe using CSS (and if necessary, some JavaScript) can achieve the same result?
I still don’t have the component installed, but I would guess that maybe this could be a workaround?
Hello!
It would be nice to have an option to show thumbnails in search results. Some users would like to look at the thumbnail to find the topic that they are searching for.
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That would be great for directories, catalogs etc. You are right.
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I have the mobile thumbnails setting turned off. After updating the software from 3.3 to 3.5.0 yesterday, the thumbnails is displayed in the mobile topic lists. Though instead of properly displayed, it is now shown as background images. Also, it’s now showing five user avatars for each topic, ie it seems like the desktop topic list format is now used for mobile when this component is included in a theme. Removing the component fixes the issue, for now.
It happened to me on ios 18.6.2/ firefox and chrome. also happened to my users on Android. The component is on the latest version.
Is there a way to suppress mobile thumbnail display like it used to?
Component included:
Component excluded:
I did some additional testing on two different Discourse deployments. and here’s the combination of settings that causes the component to cause issues on mobile.
- Included in theme, Mobile thumbnails setting on. Thumbnail displayed ok.
- Included in theme, Mobile thumbnails setting off. topic list is all funky.
Discourse version: v3.5.0 (05a3040066)
Topic Thumbnails: latest as of Sep 15 2025.