There are at least two musical groups using the name Dweeb. 1) is an English punk/electronic pop act from the mid-90s. 2) is a Christian punk/rock band.
These are photos from concerts where Dweeb played, so they may be of other bands that played the concert as well.
Reading Festival 1997 Aug 22 - 24, 1997 Reading, England, United Kingdom Uploaded by Gwyn Williams