Welcomer can do many features, notably Welcome Images. Ontop of this it has many other features such as rules (which can be sent on join), temporary voice channels, moderation, managing slowmode, server stats, autorole and many other features
Upvote Welcomer
Welcomer is a multipurpose discord bot mainly known for the customisation of welcome images. This bot also includes many other features.
Check out the home page for the full Discord Bot List.