[Tango-artists] gnome-icon-theme icons license

[Eric]

Some of them new gnome-icon-theme icons are great, for instance, the
star icon. However, I see that the gnome-icon-theme appears to
strictly be under the GPL. Does the GPL imply that if I use the icon
on my blog that my closed-source (it's not worth open sourcing) back
end code needs to be GPL'd since the closed-source code renders the
HTML which in turn references the icons?