[header] How to make a blurring brush in pd howler 9 [title] Have an image that you can see what changes are being made. [step] For this article, a' plaid' image was created and used. [title] Right click on the brush, then go to effects] ] smear 50. 
[step] You can use which ever one you want, but this is a good one to start with. Alternatively, you can access it from the toolbar too, as shown in the screenshot.