Until MacOS 10.7, I used to put a png file in a read/write dmg, then I set it as its background picture, then I hided it and converted the dmg to a read-only one. Everything just worked. Now, in ...
I noticed this with TrueCrypt volumes. Before 10.8, whenever I mounted a .dmg on my iMac, I could access it automatically from my mbp over the network with afp sharing. But after upgrading to Mountain ...
I downloaded Mountain Lion from App Store and installed it. I have not set Time Machine and I installed Mountain Lion one hour ago (since posting this question). The dmg file is not in Applications ...