Home-made lightbox, what you think?

Well i followed a DIY lightbox, basically just got a cardboard box, cut out each side and put tracing paper over them.
Lit by 2 500w halogen globes (wow they get hot!)
here's the results.

what do u think can be improved?
thanks!
Lit by 2 500w halogen globes (wow they get hot!)
here's the results.

what do u think can be improved?
thanks!