Starting a new topic for this so that it may help others.
Neither my camera nor my iPhone is being detected by Thunar even though they appear in the output for lsusb.
Bus 003 Device 004: ID 05ac:1294 Apple, Inc. iPhone 3GS Bus 003 Device 007: ID 04cb:01c1 Fuji Photo Film Co., Ltd FinePix F31fd (PTP)
I added my User ID to the uucp and usbmux Groups and I installed the gvfs-afc 1.30.3+4+gd79b4650-1 package also but to no avail.
The following 2 packages were already installed.