diff --git a/nextcloud/README.md b/nextcloud/README.md
index af32259..63f7a17 100644
--- a/nextcloud/README.md
+++ b/nextcloud/README.md
@@ -21,5 +21,14 @@ Do as much as is possible with the docker setup. The PHP stuff for example is no
 # Photo Preview Generation:
 - Photo viewer tweaks: https://rayagainstthemachine.net/linux%20administration/nextcloud-photos/
 - Use these values to svae space on prieview files and speed nextcloud up. https://ownyourbits.com/2019/06/29/understanding-and-improving-nextcloud-previews/
+```sh
+occ config:app:set previewgenerator squareSizes --value="32 256"
+occ config:app:set previewgenerator widthSizes  --value="256 384"
+occ config:app:set previewgenerator heightSizes --value="256"
+occ config:system:set preview_max_x --value 2048
+occ config:system:set preview_max_y --value 2048
+occ config:system:set jpeg_quality --value 60
+oc config:app:set preview jpeg_quality --value="60"
+```
 - I created a cron Job outside the container using the `occ` client command to trigger photo pre generation every day.
 - Maybe this can be added to the cron nextcloud container?
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