edit: wow this was my ten thousandth post
You can:
-make an oc for yourself/recolor an oc onto these lines
-edit the lines as much as you want
-post offsite (credit Paoffy on dA)
-use as your avatar or in your sig (with credit)
You cannot:
-sell adopts for any amount/currency
-tweak the lines to make it into a closed species
-use offsite without credit