The Line 6 Spider Jam product page gives full details and specs for the amplifier and provides a host of useful videos.
The Spider Jam User Manual gives all the basic operating instructions. (pdf file)
The Spider Jam Advanced Guide provides additional information about the 2.09 upgraded version. (pdf file)
The NEW Spider Jam Support Forum March 12, 2009.
An archive of the old Spider Jam forum will be available for a while.
The New JM4 Looper Forum and the older archive.
Spider Jam FAQ page Most everything you need to know
Spider Jam Firmware downloads Current version is v2.09
Spider Jam Firmware v2.09 Update instructions Very important!
FBV Shortboard/Express (Mk1 and II) info Line6 info on FBV pedalboards.
VettaVille.nl An excellent source for Line 6-related information and software downloads.
instituteofnoise.com Site and forum of the Los Angeles Line 6 Users Group.
The Spider Jam needs WAV files - mono 16-bit 44.1 Khz. Any of these programs can handle that.
SoundConverter - Windows and Mac, free or $14 shareware - excellent
Audacity - Windows and Mac, free - mixed results
iTunes - Windows and Mac, free - import files and convert to mono WAV - tutorial
QuickTime Pro - Windows and Mac - $29.99Koyote - Windows only, free.
MD5 Checksum Utility for Mac - checks downloaded firmware files for corruption.
Jam2Wav - Batch-converts JAM files to WAV format.
GuitarCodexPlus - This is a great little freeware, cross platform guitar chord utility.
Switch - Free audio format converter for PC and Mac.The web is a treasure trove of free and cheap backing tracks to supplement those built-into your Spider Jam. Most of these are in MP3 format and will need to be converted with one of the above audio utilities.
JamTracks.ru - Very good selection of blues, jazz and rock backing tracks.
Guitar Backing Tracks - Rock, pop and blues
GuitarBT - General
Blues Jam Tracks - Commercial
Lick Library - Commercial, with videos
PG Music - Commercial, lots of good stuff here
Guitar Port Online - Line 6's library of jam tracks and tabs - Commercial
DrumsOnDemand.com a great source of drum loops - commercial
FRESHBT - More free backing tracks with users' comments
Guitar Backing BTs - Has a section on instrumentals
Guitar Backing Tracks.info - Blues and rock jam tracks - commercial
David Gilmour has a selection of Pink Floyd (and later) backing tracks.
StudioPros.com - Studio quality drum tracks - free and commercial.
Need a cover for your amp? - www.ampcovers.co.uk