i would start tying the stems along the screen in a clockwise directoin dont worry they will turn up towards the light .I know this can be a bit scary as you may think that it will damage the plants but trust me they will be fine and will turn up towards the light .Ive tryed to do a paint shop showing you what i mean lol sorry for the retard drawing but the best i could do if not move the screen up a bit.The postman.