I use Photoshop or:
http://www.snazzyspace.com/banner-creator/
Good usernames for Tumblr should be unique and creative. Make a username that is an expression of who you are and your personality.
Making a tumblr theme is not that easy. But there are sites that offers good quality themes, with affordable prices.
You can make one.
If you go to Tumblr's home page, it has a form for you to fill out to make an account with Tumblr.
They have baseball banners to promote the team and or make announcements.
36 banners
You can get a program on your computer that allows you to change all sorts of things on your tumblr dashboard. I think it's something like 'greasemonkey' although I haven't used it in a while.
You can use the Whisper App to make facts on Tumblr.
"There are companies such as Signs R Us that specialize in creating banners and signs for customers in different sizes and types. From hand held to large, to vinyl banners; they make it all." Here is one more company that is c4-designs. They make custom vinyl banners/signs and pocket banners.
Most printers would make a banner for any purpose including Church banners. However bespoke Church banners can be purchased from Christian Banners and Outreach, or there is a video on eHow that shows how to make one.
Make one of your friends do it for you.
There are many things that Google ad banners are used for. The biggest thing that Google ad banners are for is advertising. One can make a lot of money through Google ad banners.