Create a vector rectangle and colour it using layer styles. Please note that the select modify and feather options will only work in the same way if you are using the same settings for the size of the rectangle, canvas size and dpi settings. You can still use the same method but you will need to change the number of pixels to a higher or lower amount dependant on your settings.

Photoshop Speed painting by Ian Padgham from a photo by Man Ray

Follow this simple video tutorial to create a dreamy effect with your photos.

Despite the bad spelling! .. this is a good technique for changing the colour of hair using layer masks.

Speed painting of a character from Gorillaz by Emanuel

Create this liquid blob effect in Photoshop with a combination of filters, channels & layers.

A really quick and easy effect. Good for use when trying to add text to a scary photo. Could also be created with a white background with light grey and blue colours to create an icy effect.

Zombie speed painting by Rune Bodker

A photoshop speed painitng created by layering vectors

This tutorial shows how to create a vintage photo effect by adding a layer of texture accross the whole photograph.