Other Links of interest
Pre-pared fabric and papers
How to do a real Cyanotype
A Gallery of Contemporary Cyanotypes
Power Retouche Plugin for Cyanotype and other photographic filters
Free Demo version  Tip:(will only save with demo printed across your pic but you can do a screen shot, paste into your program and crop. The colorize feature described above is just as good though!
Darwin Adventure book
Front of Travel Book done with the toothbrush over screening method
Altered Book
Altered Book Detail
  You can also rubberstamp with blue ink pads, or try placing a stencil, leaf or object on paper or fabric and rub a toothbrush filled with blue ink over a fine piece of screening.  To age the 'faux' cyanotypes I use Adirondack caramel ink pad. If you’re lucky enough to have some old blueprints, try writing with a bleach pen on them.
If you want to take it further and make semi real Cyanotypes you can purchase prepared light sensitive paper or fabric on which  you can place objects and negatives (which you can process in your image software programme by turning a image into a negative, increase the contrast and print out on transparent film ) and expose them to the sun, when rinsed under the tap the images appear.
Just think ‘blue’ and you can come up with some dreamy ultramarine affects, or save up for that Nikon camera with the built in cyanotype setting!
If you don’t have a camera with a color option to print in ‘cyanotype’, you can create your own by simulating the beautiful deep blue tones on paper or fabric.  The cyanotype photographic process actually dates to 1842 when Sir John Herschel placed a prepared blueprint paper in contact with a negative and then exposed it to light.  The print was then washed with water to fix the image.  Today paper, chemicals and treated fabric to achieve this technique are available. 
     At the early part of the 19th century, amateurs used this same process on postcards, and artists can copy these images as found or achieve the same affects digitally and by printing in blue ink.  In Photoshop ( I use Adobe Photoshop Elements 2) you can change any color image by going to Image> Adjustments> Hue Saturation, check the Colorize box and move the Hue slider to 230 thereabouts. You can play with the Saturation and Lightness sliders to taste. You may also want to adjust the Brightness/Contrast of your picture to your likeing
In Paint Shop Pro its a simple matter of opening up any picture and going to Colors> Colorize sliding the Hue slider to around 150 and adjusting your Saturation.
There are other techniques for creating faux cyanotypes, for your artwork, water transfers are easy to do (see below)
Dolls Dress , inkjet printed images
Darwin Adventure book, Tag Detail
The-Altering-Queen
Travels with My Hat  Tag book
Altered souls done with the solarizing filter
An original Cyanotype from 1907
  For a comprehensive listing of photographic examples :
"
Card Photographs, A Guide to Their History and Value” by me!  I also frequently have my work featured in Altered Arts magazine and on my blog  Lou McCulloch 01 06
Travels with My Hat Tag book
Travels with My Hat Tag book
Travels with My Hat book Tag detail Blue inked stamp
Travels with My Hat Tag book
After colorizing your image, you could distress the edges with Photoshop brushes  (find some here) using the rubber. Create another Layer and paintbucket fill it with a tea stain color and set the blending layer mode to Multiply. This will give that characteristic yellowness of old Cyanotypes. Flatten the layers when done, > Layer > Flatten Image
Faux Cyanotype
Heart Clatter
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Water transfers
the technique is to print your photos in blue, or whatever color you wish, on 'Multi-Project Photo Paper". Hammermill makes an excellent product for inkjet printers (available at Wallmart). Cutout the image you wish to use, lightly put warm water on some hot press watercolor paper, position the photo image side down, wait a few seconds, and remove. A transfered picture remains.