Other than the really artful copyright text on all their pictures, PictureSG from Singapore’s National Library has a nice collection of historic photos.
Kampong Bugis today is not a kampung anymore and in fact, up to the late 90s, the old Kallang Gas Works was right next to it. From what I can remember, Kampong Bugis is now home to a scattering of factory buildings, a Hindu temple, a park and a nice cafe frequented by the cool kids.