Fonts:

Font Ukle, FontSquirrel or DaFont – sources for all the fonts you could ever use [FREE]
…if you ever want to match a font, use the free “WhatTheFont” here.
Trendiest: Bold Headlines //  Script //  Clean Text //  Modern Type //  Classic Serif

Graphics / Logos:

CreationSwap – awesome Christian photos and church graphics  / logos from top designers [mostly FREE]
…just search for what you want and sort through it – a great place to spark your idea machine!
My favorites: Church Logos //  Layered PSDs //  Sermon Slides

Video:

MuddyRiver Media – a vast amount of videos for any type of application [FREE w/ Registration]
Midnight Oil Productions – here’s a link to their freebies page [FREE, Registration Required]

All-in-One:

Open Resources – quite possibly the #1 site consolidating all forms of church media [FREE]
…most of this content is geared for trendy, youthful, gen-x, etc.
Ministry 127 – encouraging, engaging, & equipping ideas for the local church [FREE]