we work in after effects, particle illusion, cinema 4D and photoshop to coax reluctant pixels into pleasing positions...
focus on:
from the 12,000 x 1500 pixel screen at the i.a.c. building in nyc to the mobile-device bound animated pilots for timeslip - (which were shrunk to a small 180 x120 for cel phone screens!) greenhead has created media for many platforms and screen shapes and would be pleased to help you fill your odd shapes with light and color
motion graphic reel (youtube link)