Model 3D Egyxos

Hi¡¡ I have create my own 3d model for try to make my own skin of Egyxos but I don´t know how convert it on .dff and .txd, please,can someone do it ??

It should make me happy,

This .rar have all the files I think you need.

Please advise me and try to keep the orginal texture of the image.

Thanks