Photoshop Inside Stroke Opacity Weirdness It’s nice to know that I’m not the only obsessive compulsive out there neurotic enough to notice this. Dave Shea comments on the odd behavior of the opacity control in the Photoshop stroke layer style settings here (“Position: Inside” to be specific). It’s not a bug per se, just darn odd. The proxy icons in Shea’s screenshots show he’s using Photoshop CS, but this behavior continues on in CS2.