Texture How-too?

SOLVED! THANKS PEOPLE 8-D


How would one go about using textures like these?
They're so pretty. I'd really like to use them sometime (^o^)

<img src="http://img505.imageshack.us/img505/4489/previewicontexturesum5.png">

And why does this place refuse to show my images when I use the image code? D: