Here is the village there is a constant battle to avoid giving any information away. From a ds106 Assignments should come with information, a prisoner106 dilemma?
To start making good the many assignments with a lack of supporting information here, I’ve made a few brief tests on exporting gifs and the dither and loss settings.
In Photoshop 5.5 the export dialog:
In Both it is easy to adjust both dither and loss:
Personally I usually go for small size over quality but hopefully not too mindlessly.