Note: Every downloaded effect consists of a square ánd a rectangle version for both Portrait and Landscape dimensions:

Square: + >
+ Portrait
& Landscape!
Full Control: Adjusting or altering in Photoshops layers-window possible. Combine effects, change layers and have hundreds of extra visual effects.
Adjustable:
Sizes/ Resolutions

Transparancies

Layer orders

Colors

Shapes, and much more

Default settings (scalable to postersize!) :
Dimensions: Square 20x20 cm (8x8 inch)
Rectangle 20x26 cm (8x10 inch)
Resolution: variable (standard 200 DPI)