how can i put an image in to houdini so i can modile aound it ?
like this http://www.youtube.com/watch?v=2V5IFC0fqPA [youtube.com]

You can

1.) Put the image in the background of the viewport using the “Display Background images” option in the viewport display options, Background tab.
http//www.sidefx.com/docs/houdini11.0/ref/windows/displayopts_3d#id441618

2.) Put the image on a grid as a texture map.

thank you !!!
but what file tipe do picthers havw to be ???

xxx-nabi-xxx
..

but what file tipe do picthers havw to be ???

take a look here ..

http://www.sidefx.com/docs/houdini11.0/io/formats/image_formats [sidefx.com]

THANK YOU !!!