Open up a new image in PSP with a white background.
Click , and if your ‘Tool Options’ box isn’t up, right click and select ‘Tool Options’. Now find a starry image like mine:
On the colour palette, make sure only the background colour is selected (like on my image below). Choose the colour you want your stars to be.
Draw a smallish star on your white image then press ‘Ctrl’ and ‘C’, ‘Ctrl’ and ‘L’. Repeat this 5-6 times, then click the ‘Layer Palette’ button at the top of your screen if you don’t have your layer palette already up ()
On your layer palette, change the top few layers to ‘Screen’ or ‘Burn’, as on mine:
Now go to ‘Layers’ > ‘Merge’ > ‘Merge Visible’ and save! This is mine: