References to the Psalms are to the Vulgate version. I expect you to read all the verses, but don't be unduly ruled by the description of the instruments in the Psalms (if there is a description). It's what the Anglo-Saxon artists were depicting that matters here.
No. 2: Long lute* (illustrating cithara)
No. 3: Triangular framed harp (illustrating psalterium)
No. 4: Another long lute (illustrating cithara)
No. 5: Plucked fiddle (illustrating cithara)
No. 6: Flute (Anglo-Saxon flutes were often made of bone.)
No. 7: Yet another long lute
No. 8: I was hoping someone would tell me!
Robert Boenig, 'The Anglo-Saxon harp', Speculum 71.2 (April, 1996), pp. 290-320.
Graeme Lawson, 'Musical instruments', The Blackwell Encyclopaedia of Anglo-Saxon England, ed. Michael Lapidge et al (Oxford: Blackwell, 1999), pp. 328-29.
Helen Leaf, 'English Medieval Bone Flutes: A Brief Introduction', The Galpin Society Journal 59 (May, 2006), pp. 13-19.
Ephraim Segerman, 'A short history of the cittern,' The Galpin Society Journal 52 (April, 1999), pp. 77-107; and The Development of Western European Stringed Instruments (Manchester: Northern Renaissance Instruments, 2006).