[750g] only select the first thumbnail image
[750g] only select the first thumbnail image

nojhan/weboob-devel,willprice/weboob,nojhan/weboob-devel,RouxRC/weboob,laurent-george/weboob,sputnick-dev/weboob,sputnick-dev/weboob,RouxRC/weboob,frankrousseau/weboob,laurent-george/weboob,sputnick-dev/weboob,frankrousseau/weboob,frankrousseau/weboob,RouxRC/weboob,willprice/weboob,nojhan/weboob-devel,laurent-george/weboob,willprice/weboob