Here is what I have learned entering contests. This is from my experience, but I think it will cover some general questions.
* How do you find out about different opportunities to submit quilts to a show?
The major quilt magazines usually list upcoming shows and contain contact information. Many larger quilt guilds who have a website will list local/regional shows. Also the 'biggies' have websites with contest information.
Mancuso Quilt Shows =
http://www.quiltfest.com (PIQF and others)
American Quilt Society =www.AmericanQuilter.com (Paducah show)
International Quilt Association =
http://www.quilts.org (Houston show)
Road to California =
http://www.road2ca.com
AQS, IQA, and Mancuso have other shows throughout the year.
Those were just a few. There are many, many more.
* How recent does a quilt need to be made to be submitted in a show? If a quilt is a couple of years old, can it be submitted for an upcoming show?
All shows are different. Some have a made in the last three years restriction and others do not. The website will have a contest application which will spell out EVERYTHING including date made cutoff.
* Do quilters tend to focus in on submitting quilts for a certain contest?
Sometimes they do. Most fabric companies have on going contests which feature their fabric (google company names). AQS does a quilt contest featuring a specific quilt block. All the big business names (including Mr. Ricky Tims) help sponsor catagory awards at the major shows. There is a catagory for just about every type of quilting. These catagories help you narrow down, or define, what type of quilt to make or where to enter your quilt.
As for shipping them....
Shows rely on their reputation for safe handling of quilts sent to them...both for competitions and exhibits. A bad handling of a quilt will mean that contestants most likely won't enter that show again.
It is worrisome enough to send 'our babies' out without the insult of having them arrive back in a beat up box in a sloppy wrapping job. Sloppy shipping practices are not the norm.
Hope this helps with the basic questions.
Mary Schroeder