Sometimes, you may need to adjust or touch-up a photo to make it look better or to remove some flaw.
The GIMP Image Editor will let you this and a lot more. It is installed in Xubuntu by default, and can be started by choosing → → .
The GIMP has many professional-level features. It includes tools for selections, drawing, creating paths, masks, filters, effects, and more.
Xubuntu provides a selection of alternative image editing programs. A few of these are listed below:
KolourPaint
Krita
LPhoto