which is powered by javascript not Flash by the way, has become a widely used means of displaying gallery images for years.
Not on TGP galleries it hasnt, 99.99% of TGPs wont list or use galleries that have JavaScript on them, even if they are sponsor hosted, because javascript has been used to redirect and abuse tgp surfers, install trojans, change the gallery layout, etc, etc $0.02

Regards,

Lee