Here's some you can get easily from jazz-on-line.com - not all what I'd call ideal beginner music, but all great tracks, and they're all reliable 'staples' for me when DJing.
Fats Waller - Dry Bones Ellington's C Jam Blues (as mentioned by Clevedon Boy)
Sammy Davis Jr - Love Me Or Leave Me Erskine Hawkins - Tuxedo Junction Jimmie Lunceford & Orchestra - T'ain't What You Do (this is pretty much THE definitive version)
Jimmie Lunceford's For Dancers Only is another classic version
Slim & Slam - Jump Session Slim & Slam - Buck Dance Rhythm Tommy Dorsey & his Orchestra - Swingin' on Nothing Glenn Miller - Song of the Volga Boatmen (OK - so this is far from a 'beginner' track, but it's such an awesome piece of music I couldn't resist)
Glenn Miller - Johnson Rag