To create a disabled looking image, do the following:
- Find the appropriate image on http://classic.wowhead.com.
- Copy the image's URL.
- Navigate to https://pixlr.com/x/.
- Load the image from the URL.
- From the left hand menu, select Effect.
- Select TOO-OLD.
- Select HENRY.
- In the bottom right hand corner, click SAVE.
- Paste in the image url, and delete all except the spell name.
- Add a suffix of
_disabled
to the filename. - Click DOWNLOAD.