PARAMETERS:
https://certus.in/site/imagewatermark?<!iw:apiserial=[apiserial]><!iw:url=[sourceimage]><!iw:watermark=[watermarkimage]><!iw:transparency=[0-100]><!iw:position=[1-5]><!iw:type=[png|jpg|gif]><!iw:quality=[0-100]><!iw:compression=[0-9]>
*quality: only for jpg images
*compression: only for png images

USAGE:
https://certus.in/site/imagewatermark?<!iw:apiserial=><!iw:url=http://example.org/test.jpg><!iw:watermark=http://example.org/myicon.jpg><!iw:transparency=60><!iw:position=4><!iw:type=png><!iw:quality=100><!iw:compression=0>
