BUR #3534 has been approved by @evazion.
create alias pink_flame -> pink_fire
create alias purple_flame -> purple_fire
blue fire is the most popular coloured fire tag and has blue flame aliased to it, which makes sense given flame implicates fire. Doing the same with the other currently used flame tags would make them easier to find.
EDIT: The bulk update request #3534 (forum #173403) has been approved by @evazion.
Updated by DanbooruBot