A request of an ebuild for kflickr for KDE4. You can see from http://freshmeat.net/projects/kflickr/?branch_id=60465&release_id=231088 that it does support it as of December.
Ahem, they dont have any release and the live ebuild for this thing is in kde-testing.
+*kflickr-0.9.1_p1 (09 Nov 2009) + + 09 Nov 2009; Samuli Suominen <ssuominen@gentoo.org> + +kflickr-0.9.1_p1.ebuild: + Version bump (to snapshot 2009-11-09) wrt #276017, thanks to Coran for + reporting.