i'm scanning german ebay for a westy toaster the one you can connect to a west cooker , but to no avail , am i typing the right thing - Westfalia Toaster ?.
Found this but its on ebay uk too http://www.ebay.de/itm/BRIGHT-SPARK-TOASTER-ADAPTOR-FOR-GAS-COOKERS-/390310483388?pt=LH_DefaultDomain_3&hash=item5ae05155bc
Have you tried these guys: http://www.vwbusparts.freeserve.co.uk/ we bought our westie trailer from them, excellent to deal with!