Hi there,
I've just spent ages on a quickstart for JA Blockk install looking to where there might be a special custom module or something that was causing the site name to still display as "Blockk" despite changing it in the usual places. It drove me nuts. Eventually I had the good fortune to discover that it was an image of text, and therefore the image needed to be replaced.
My suggestion: if you are going to have an image file for something that looks like text (especially with webfonts these days), then at least have something else in there so it's obvious that it is an image.
Andrew