-If the monitor has a standard vga connector, it will connect to the TiBook since it has a vga connection.
-The 250mb zip drive will work via usb however I believe apple ditched pcmcia (or it might have one slot, unsure)
-HP laser jet 4L might work if you spend money on PowerPrint which I am unsure comes in a usb package, so you may need to do a parallel->mac serial->usb setup
-Unsure about the digital cam