Hi,
Your specs say OS X 10.5.8 which would mean iChat 4
So if you click your own Green Video icon at the top of the Buddy list you do not get to see a Preview ?
If you go to iChat Menu > Preference > Video Section you also do not see a Preview ?
In that case go to the Video Menu (It may be called Audio) and see that the line that says "Camera Enabled" is ticked.
If it is Unticked the camera is Off.
If you or your Buddies (In general) do not have green Video icon go to the View Menu in iChat and tick the "Show VIdeo Status" item.
If this is an external iSight does it work in other apps ?
9:11 PM Sunday; April 8, 2012
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
iMac 2.5Ghz 5i 2011 (Lion 10.7.3)
G4/1GhzDual MDD (Leopard 10.5.8)
MacBookPro 2Gb (Snow Leopard 10.6.8)
Mac OS X (10.6.8),
"Limit the Logs to the Bits above Binary Images." No, Seriously