Comfort Colors just sent out an email blast promoting their decorating tips. You can read about many different ways to make your comfort colors shirts look better.
This seems to be part of a wave of garment companies looking to help their customers proactively with tips on decoration, rather than waiting for decorators to run into problems.
Alternative is going to run decorating tips. Haneslocator.com has printing tips from Hanes. Mygildan.com has the Gildan catalog and the first few pages of the 2017 have decorating ideas. SanMar has been the leader for a long time in making their garments decoration friendly, and they have SanMar U pages full of advice. With the waves of new and sometimes confusing fabrics, it is good to see all this attention to decoration from all the garment folks.