Graphics
GwenView - image manager
KDVI - dvi viewer
KFax - fax viewer
KGoastView - pdf viewer
KPaint - paint program
KView - image viewer
Kooka - Scan and OCR
Kuickshow - Image Viewer
Pixie Plus Express
Pixie Plus Image Manager
Povray Modeler
Showimg - image manager
More Programs
KColorChooser - color chooser
KColorEdit - color palette editor
KIconEdit - icon editor
KRuler - on-screen ruler
KSnapshot - screen capture program
Other
Graphics programs that are not KDE apps.
Bitmap - editor for bitmaps
Sodipodi - svg vector graphic editor
The GIMP - photoshop-like image editor
Xaos - fractal zoomer
Viewers
Acrobat Reader
GV - ghostview pdf viewer
ImageMagick - image editor
VLC Media Player
VLC Media Player for KDE
Xpdf - another pdf viewer
kvdr - dvb card compatible video recorder for KDE
vdr - dvb card compatible video recorder
xawtv - TV viewer for PC TV cards
xine media player - video and DVD player