dmesg:
[19838.920094] usb 3-1: new full speed USB device using uhci_hcd and address 7
[19839.095653] usb 3-1: New USB device found, idVendor=1403, idProduct=0001
[19839.095659] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[19839.095663] usb 3-1: Product: Flash Disk      
[19839.095666] usb 3-1: Manufacturer: USB     
[19839.095864] usb 3-1: configuration #1 chosen from 1 choice
[19839.104054] scsi6 : SCSI emulation for USB Mass Storage devices
[19839.104366] usb-storage: device found at 7
[19839.104369] usb-storage: waiting for device to settle before scanning
[19844.112072] usb-storage: device scan complete
[19844.114865] scsi 6:0:0:0: Direct-Access     SITRONIX MULTIMEDIA       0.09 PQ: 0 ANSI: 0 CCS
[19844.115447] sd 6:0:0:0: Attached scsi generic sg2 type 0
[19844.123837] sd 6:0:0:0: [sdb] 4096 512-byte logical blocks: (2.09 MB/2.00 MiB)
[19844.126828] sd 6:0:0:0: [sdb] Write Protect is off
[19844.126835] sd 6:0:0:0: [sdb] Mode Sense: 0b 00 00 08
[19844.126839] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[19844.137814] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[19844.137825]  sdb: unknown partition table
[19844.176806] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[19844.176817] sd 6:0:0:0: [sdb] Attached SCSI removable disk



Same USB device info as http://picframe.spritesserver.nl/wiki/index.php/Coby_DP-152 
I also followed the instructions there, but to no end.

# lsusb -v -d1403:0001

Bus 003 Device 010: ID 1403:0001 Sitronix Digital Photo Frame
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x1403 Sitronix
  idProduct          0x0001 Digital Photo Frame
  bcdDevice            1.10
  iManufacturer           1 USB     
  iProduct                2 Flash Disk      
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           32
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xc0
      Self Powered
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         8 Mass Storage
      bInterfaceSubClass      6 SCSI
      bInterfaceProtocol     80 Bulk (Zip)
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)