Here is a little tutorial/guide on how to do some cool effects in watercolour, mainly useful for backgrounds but can be used for other things.
Anyway it was something to do and i've not done a tutorial before so excuse the poor layout and the spellings
Meant to say some of these effects will be effected by what paints you use and the paper. I used Winsor & Newton Cotman pan watercolour paints for this and 300 gsm hotpress paper. Different brands of paints will have a different amount of pigment which will most likely effect the Salt Trick, Water Drops and Plastic. Different paper will effect the drying time of the paint, especially if it isnt watercolour paper.
I have a more updated version of this if anyone is interested [link]