E.S.
Oh I had great success w/ apples! Very easy. Peel 'em, cut 'em, toss 'em in a pot w/ a little water. Cook till soft (or bubbling). I like MacIntosh. Put 'em through a strainer and into your trays.
All of the things you mentioned freeze great.
Check out this book from the library: http://www.superbabyfood.com/
This lady has every bit of info you could possibly need!