Well, no need to look any further, there is a great bit of Sakura Teng audiobilia to be found at WFMU's Beware Of The Blog. You can find Puppet On A String along with classics like My Boy Lollipop, Stupid Cupid and the Beatles' Michele. Go there!
The same blog has more Eurocovers related stuff here with another Puppet and Congratulations by some Dutch postal workers. English with A Dutch accent at its best.
You can also find Esperanto singer Alberta Casey there, including her version of Domenico Modugno's Volare + a very interesting Maltese LP by Joe Cutajar, Once the Joseph of Helen & Joseph, Malta's first ever Eurovision stars from 1971. And many many many weird and amazing audiogems.
Many other versions of Puppet On A String from all over the globe can be found here (links)
The Quests* also recorded 1967 Luxemburg classics 'L'amour est bleu'.