It works in my Firefox 8 (which is indeed beta). I can't think of a reason in particular, but there was probably something added in Firefox 8 that it needs (eg

It works in my Firefox 8 (which is indeed beta). I can't think of a reason in particular, but there was probably something added in Firefox 8 that it needs (eg full CORS support or something) edit: yep: https://developer.mozilla.org/en/WebGL/Cross-Domain_Textures https://developer.mozilla.org/en/WebGL/Cross-Domain_Textures (at least, that is an important WebGL feature coming in Firefox 8)